Title: CMS newsletter
Full Citation
Permanent Link: http://ufdc.ufl.edu/UF00087017/00006
 Material Information
Title: CMS newsletter
Physical Description: Serial
Language: English
Creator: Center for Multimodal Solutions for Congestion Mitigation
Publisher: Center for Multimodal Solutions for Congestion Mitigation
Place of Publication: Gainesville, Fla.
Publication Date: Spring 2010
 Record Information
Bibliographic ID: UF00087017
Volume ID: VID00006
Source Institution: University of Florida
Holding Location: University of Florida
Rights Management: All rights reserved by the source institution and holding location.


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One of the most gratifying experiences for us academics is the successes of our students.
In this issue, 1 am very proud to highlight some of these accomplishments. Two of our
students won prestigious CUTC awards (Yingyan Lou for her Ph.D. dissertation and Dimitra
Michalaka for her M.S. thesis), while Matt Weisman, M.E., (UF 2009) was honored as the
CMS's Student of the Year at the CUTC annual reception. A complete list of all awards is
provided on page 14. And, where do our students go after they graduate? See page 14 as
well to learn where our newest alumni are employed.

An important student initiative is the new Women in Transportation Seminar (WTS)
student chapter, which is the first student chapter of the WTS in the nation! You can
read more about this on page 16. In April, representatives of the WTS Central Florida
Chapter (Orlando) came to UF to train members of the new student chapter. They spoke
to students about leadership principles and other matters related to the creation of a
new organization and gave a detailed overview of WTS International. We appreciate the
assistance and support of the WTS Central Florida chapter, and their willingness to serve
as mentors to our students!

We also recently had the honor of hosting the U.S. DOT/RITA Administrator Peter Appel,
and to present to him our work and showcase our facilities. Darryll Dockstader, FDOT's
Director of Research, was also there to discuss partnership opportunities between FDOT
and the CMS. Read more about Mr. Appel's visit on page 3.

This newsletter also includes updates on CMS research activities and showcases research
related to signal timing optimization and STEWARD, a database that contains summaries
of traffic volumes, speeds, occupancies and travel times in Florida. On page 6, read about
our featured researcher, Andres Blanco, an assistant professor in the Department of Urban
ft Regional Planning, and spend some time with UF graduate and former FDOT chief
engineer Mr. Ananth Prasad of HNTB on page 8.

And finally, it is with great sadness that 1 report to you the recent loss of a graduate of
our program, Rama Yennamani (UF 2008), who passed away as the result of a swimming
accident on a beach in Hawaii. 1 was Rama's graduate adviser, so 1 knew him quite well.
He was a very intelligent, hardworking and motivated young man. He was also a very kind
and thoughtful person who got along with everyone and enjoyed new activities. The TRC
family will miss him. Two of his closest friends at the TRC have written a tribute to him
on page 17.

For the most recent information regarding our activities, please visit our website at
http://cms.ce.ufl.edu. We look forward to your feedback and questions.


Lily Elefteriadou, Ph.D.
CMS Director


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Sherrilene Classen, Associate Professor
Occupational Therapy
Member, Committee on Women's Issues in
Member, Safe Mobility for Older Persons

Ken Courage, Professor Emeritus, CCE
Member and former chair, Joint
Subcommittee on Traffic Simulation
Past Member, Highway Capacity and
Quality of Service Committee, and former
Chair, Subcommittee on Signalized

Lily Elefteriadou, Professor, CMS Director
Secretary, Highway Capacity Et Quality of
Service Committee
Member, Traffic Flow Theory Et
Characteristics Committee
Past Member, Vehicle Size and Weight

Siriphong "Toi" I .l II. i i-II1, 1 1i,
Associate Professor, ISE
Friend, Network Modeling Committee
Friend, Congestion Pricing Committee

Nina Barker, Director, Center for
Transportation Training (CTT),
Member, 10th International Conference on
Low-Volume Roads Committee

Bill Sampson, Me Trans Director
Member, Highway Capacity Et Quality of
Service Committee

Siva Srinivasan, Assistant Professor, CCE
Member, Traveler Behavior E Values
Member, Telecommunications E Travel
Behavior Committee
Friend, Transportation Demand Forecasting
Friend, Travel Survey Methods Committee

Ruth Steiner, Associate Professor, URP
Member, Transportation Et Land
Development E the Pedestrian Committee
Transportation Et Land Development
Committee (session moderator)

Scott Washburn, Associate Professor, CCE
Member, Highway Capacity E Quality of
Service Committee
Chair, Subcommittee on Freeways/Multilane
Member, ACRP Project Panel on Airport
Curbside Et Terminal-Area Roadway

Yafeng Yin, Assistant Professor, CCE
Member, Transportation Network Modeling
Friend, Traffic Signal Systems Committee

IF *




Traffic congestion is one of the most severe problems that threaten the
economic prosperity and quality of life in many societies. According
to a report by Federal Highway Administration, traffic congestion in
the U.S. costs approximately $200 billion a year in wasted gas and
time and poor signal timing is responsible for 5 percent of that cost.
Additionally, signal timing imposes huge impact on traffic emissions
because it interrupts traffic flow (for good reasons) and creates
additional deceleration, idle and acceleration driving modes to the
otherwise cruise driving mode. Traffic emissions are very sensitive
to the driving modes, thus reducing idleness at intersections likely
leads to significantly reduced traffic emissions. While recent research
has primarily focused on developing real-time adaptive signal control
systems, implementation of such systems on a large scale may be
many years away, due to the associated high implementation and
maintenance costs. Because a large number of signal control systems
in use today are still pre-timed, further improvements in their
efficiency can yield significant improvements in the management of
traffic flows, and mitigation of congestion and emissions.

Many of state-of-the-practice pre-timed systems are operated in a
time-of-day mode in which a day is segmented into a number of
time intervals, and a signal timing plan is predetermined for each
time interval. Typically, three to five plans are run in a given day.
The basic premise is that the traffic pattern within each interval is
relatively consistent and the predetermined timing plan is best suited
for the condition of this particular time of day. The timing plan is
often obtained by using optimization tools such as TRANSYT-7F,
with the inputs of design flows, the mean values of traffic flows, for
the time-of-day intervals. However, real-world travel demands are
intrinsically fluctuating, and traffic flows at intersections may vary
significantly even for the same time of day and day of week. As an
example, Figure 1 displays hourly arrivals at two crossing streets,
34th Street and University Avenue, in Gainesville, Florida, during
9 a.m. to 11 a.m. on weekdays over a period of four months. The
flows present significant day-to-day variations. Consequently, an

issue that traffic engineers may be confronted with is to determine
the flows to use to optimize signal timings. This issue was hardly a
concern in old days because the data collection used to be resource
demanding, and traffic data were only collected for a couple of days.
As the advancement of portable-sensor and telecommunications
technologies make high-resolution traffic data more readily available,
chances for traffic engineers to raise such a question become more
prevalent. This is particularly true in re-timing efforts for those
closed-loop control systems with fiber optic connections.



11 -

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Figure 1. Day-to-day hourly flow rate (in vehicles per hour) at one
intersection in Gainesville, Fla.


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Use of the average flows may not be a sensible choice. Previous
studies have pointed out that if the degree of variability of traffic
flows is significant, optimizing signal timing with respect to the
average flows may incur considerable additional delay, compared
with the timing obtained by taking this variability into account. If the
degree of variability is small, use of the average flows in conventional
timing methods will only lead to small losses in average performance
(efficiency). However, it may still cause considerable losses in the
performance against the worst-case scenarios or the stability of
performance (robustness), thereby causing motorists' travel times to
be highly variable. On the other hand, if the highest observed flows
are used instead, the resulting timing plans may be over-protective
and unjustifiably conservative. The average performance is very
likely to be inferior.

Our goal in this research was to answer the question of what flows
to use for signal optimization. More rigorously, our research was to
investigate a methodology of signal timing optimization for pre-
timed control under demand fluctuations. The proposed methodology
proactively considers demand uncertainty in developing robust signal
timings. Compared with those from conventional timing approaches,
robust timing plans are expected to perform better under high-
demand scenarios without compromising the average performance
across all possible demand scenarios. Robust timing plans also allow
slower deterioration ofperformance. It is noted that the signal timing
process is normally time-consuming. Thus it is rarely repeated unless
changes in traffic conditions are so significant that the system begins
performing poorly. It has been estimated that traffic experiences an
additional 3 percent to 5 percent delay per year as a consequence of
not retiming signals as conditions evolve over time. Therefore, it is
desirable to have timing plans that accommodate or tolerate these
changes in traffic to a greater extent.

Practically, motorists and traffic engineers may be more concerned
with worst-case scenarios where substantial delay may occur. To
address such a risk-averse attitude on one hand and avoid being too
conservative on the other hand, we optimized signal timings against
a set of worst-case or high-consequence scenarios. More specifically,
given a set of demand scenarios and their corresponding probability
of occurrence, and based on a cell-transmission representation of
traffic dynamics, we formulated a stochastic programming model to
simultaneously determine cycle length, green splits, phase sequences
and offsets to minimize the mean of the delays exceeding the alpha-
percentile (e.g., 90th percentile) of the entire delay distribution, i.e.,
mean excess delay. The stochastic programming model is simple in
structure but contains a large number of binary variables. Existing
algorithms, such as branch and bound, are not able to solve it
efficiently, particularly when the optimization horizon is long and

the network size is large. We developed a simulation-based genetic
algorithm to solve the model. The model and algorithm were tested on
two networks (see Figure 2 for one testing network) and the resulting
robust timings were compared with traditional timing plans via a
CORSIM simulation study. The results show that the robust timing
plans outperform the traditional plans, with the mean delay reduced
by approximately 20 percent and the mean excess delay reduced by 18
percent. It demonstrates that the robust timing plans that the robust
plans perform much better against high-consequence scenarios. As a
side effect, the average performance is also improved.



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Figure 2. Cell representation of El Camino Real arterial, Calif.


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Andres Blanco is from Colombia, a country in South America with a population of
approximately 43 million people. It borders Panama, Venezuela, Ecuador, Peru and
Brazil. Blanco was born in Bogota, the largest city in Colombia, known by its innovative
planning approaches like the bus rapid transit system, Transmilenio. It was in Bogota
that Blanco graduated with a bachelor's degree in economics from the Universidad de los
Andes. This is also where he conducted research in public policy and received a master's
degree in regional development planning.

While working as a consultant in Bogota for the Lincoln Institute of Land Policy, a think
tank based in Cambridge, Mass., focusing on the use, regulation and taxation of land, he
became interested in the economics of land, housing and urban development. The time
spent working as a consultant for the Lincoln Institute lead him to develop a research
agenda and pursue doctoral studies at Cornell University.

"These experiences made me realize the complexities of housing and land development,"
Blanco said. "That is why 1 decided to continue my studies with a Ph.D. in urban
and regional planning. Currently, 1 am trying to combine in my research these areas
with my initial interest on economic development and with other disciplines such as

In spring 2009, Blanco was hired by the Department of Urban Et Regional Planning (URP)
at UF, where he teaches and conducts research on the economic aspects of planning. His
teaching agenda includes Urban Economy (URP 6042), Economic Development Planning
(URP 6541) and Urban Land Economics (URP 6542), ii...., the element of economics
into the curriculum at URP.

Blanco said that it is not possible to understand land, housing and urban development
without ..i. i. ,,i .., transportation, so the combination of economics and
transportation as related to urban planning is an important concept for students to
grasp. He uses an example:

"A hypothetical situation commonly used in urban economics is to imagine a special
technology, say a matter transmitter, which eliminates completely transportation cost
for people and goods," Blanco said. "In this zero-transportation-cost economy, cities
will disappear since there will be no benefits in agglomeration, only costs (negative
externalities of proximity)."

Blanco added that the economic models of location often portray the economic space
as a trade-off between transportation costs and areas such as near the central business
district (CBD), or any central destination in polycentric regions. "The transportation costs
are minimized, but the higher demand and the scarcity of such locations will increase
prices and densities," he said. "In the outskirts, transportation costs will be higher but
land costs lower."

Blanco said these examples and models are simplifications of how the urban space is
.. ..-h-. 1. but they show why ....i. I, ,i..i ... transportation and congestion is so vital
for planners and economists. "The costs of transportation, land (and housing) values,
densities and land uses are articulated and together define how cities grow," he said.

During his first semester at UF, Blanco became affiliated with the CMS through a Florida
Department of Transportation (FDOT) match project (objective: to calculate the cost of
congestion in Florida). Blanco, along with Associate Professor Ruth Steiner and Professor
Zhong-Ren Peng, also from URP, submitted the proposal and since then have been
working on the project. Blanco was also recently awarded a project funded by the CMS
titled "The Effects of Impact Fees in Urban Form and Congestion in Florida." Blanco
hopes to expand his collaboration with the CMS through future research projects in
the area of transportation and land use because it also benefits students and the future

"As part of the congestion costs project, two graduate students are being funded," Blanco
said. "They have become very interested in transportation issues and now are planning to
orient their theses and careers to transportation planning. This story is very common in


our department, where many professors and students are taking advantage
of the resources offered by CMS, conducting innovative research in areas
of common interest between the Center and URP."

Steiner, who is collaborating with Blanco on various research projects, is
impressed with the knowledge base and enthusiasm that her colleague has
brought to the department.

"As a researcher, he is already taking a lead in applying models of traffic
congestion, which were developed at the Texas Transportation Institute
for majorurban areas, and applying them throughout the state of Florida,"
Steiner said. "He also brings a knowledge of housing and land markets to a
study on the combined costs of housing and transportation. Beyond these
substantive and methodological contributions, he brings a positive, can-
do attitude to research and teaching activities."

She goes on to say that during his first year in the planning program,
Blanco has already made a contribution by introducing students to the
economics of planning. Steiner said that students in URP are better
prepared to discuss the various dimensions of the economics of urban
development "From the economics of transportation, to why crime occurs
at higher rates in certain parts of the city and not others," she added.

Urban Et Regional Planning students, interested in transportation, are
collaborating with the CMS on transportation-related projects. These students
often pursue the concurrent degree program in transportation engineering
and urban planning. Blanco said that the creation of this program is
important for planning students, especially those with a penchant for
transportation engineering, as planning jobs are projected to increase in the
next couple of years. Through interactions with students in the concurrent
program, he has been impressed with
the knowledge they demonstrate, Bla n 6'Ot
Blanco said.

"1 have met some students of the
concurrent degree program, and 1 am
always impressed by their professionalism
and strong i...i. ,i ...., of urban
problems and policies," Blanco said.
"This degree is an excellent opportunity
for students that want to acquire a
comprehensive education in a field of
growing demand: three years for two
master's degrees from two very well-
ranked education centers? Seems like a
no-brainer to me."

,- ...... i., to US News t World Report,
urban planning jobs in the country
are expected to grow 19 percent from
38,400 in 2008 to 45,700 by 2018, he
said. "That should not be a surprise.
Urban population and urban problems
are growing across the world, and
that makes planning the career of the
future," Blanco said.

As for Blanco's perspective on his
major professional accomplishments,
he said he is satisfied with his research
and teaching agenda, but there is al
create. "I would say that the best is yet


cays more to expire, learn and
to come," Blancon said.

Marsha Anderson Bomar, President of Street Smarts, was the inaugural speaker on April 1 for the CMS's new Distinguished
Professional Lecturer Series. Using examples from her own life, Anderson Bomar described key elements on how to gain
success in a new job and in becoming an experienced professional. She also spoke about i ... ...... and fulfilling that
last major goal in one's career, i. 1i .... the value of becoming an active member in one's community (Anderson Bomar
serves on the Duluth City Council in Duluth, Ga.). Her lecture titled "A Professional Life in Balance... A Life of Work,
Family and Service," was held at the College of Engineering's Electronic Delivery of Graduate Education (EDGE) facilities.
The presentation was offered as a live webcast through Elluminate, a web-conferencing tool for higher education. A video
.. ... in.., of the presentation is posted at http://cms.ce.ufl.edu/news ,, .1 ..i .... ih. lecturer seminar series.php.

Anderson Bomar is founder and president of Street Smarts, a planning, design and engineering consulting firm in Duluth,
Ga., which is currently celebrating its twentieth anniversary. She is the past international president of the Institute of
Transportation Engineers (ITE) and has received numerous awards such as the ITE Burton Marsh Distinguished Service
Award, Society of Women Engineers Entrepreneur of the Year Award and the National Association of Women Business
Owners (NAWBO) Entrepreneur of the Year Award. Anderson Bomar serves as the president of the American Society of
Civil Engineers' Transportation and Development Institute (ASCE).



Panos Michalopoulos, Ph.D., was this semester's Distinguished Academic Lecturer for the CMS on April 23. Michalopoulos
is a professor in the Department of Civil Engineering at the University of Minnesota. He is also an alumnus of the
transportation program at UF (M.S. 1972; Ph.D. 1975). Michalopoulos is the inventor of AUTOSCOPE, the most widely
used machine vision-based vehicle detection and surveillance system, with more than 20,000 installations worldwide.
He is also the founder of Image Sensing Systems, Inc., the company producing AUTOSCOPE and other products for the
Intelligent Transportation Systems (ITS) sector and related markets.

Michalopoulos' lecture was titled "Advanced Modeling of Traffic Flow Dynamics and the Need for Wide Area Detection."
He spoke on the simplistic one-dimensional flow modeling developed in the '50s and '60s, and then spoke on updates
to wide-area detection for data collection and model validation. The lecture included examples of advances in detection
technology along with applications in traffic management.

The seminar was held at the UF College of Engineering's Electronic Delivery of Graduate Education (EDGE) facilities.
Faculty, students and transportation professionals attended the presentation and included remote participants via
Elluminate (an educational web-conferencing tool provided by UF). A video ......i.., of the presentation is provided at:
http://cms.ce.ufl.edu/news i ii .1, ...... i .1I lecturer seminar series.php

From left: Yafeng Yin, Siva Srinivasan, Panos
Michalopoulos, Lily Elefteriadou, and Scott Washburn



I rpl



1. How did you become interested in transportation?

My dad is a civil engineer, and 1 grew up fascinated by the
concrete bridges being built around us. With that background,
1 never really considered following any other path than in my
dad's footsteps.

2. What is your proudest professional achievement?

My proudest professional achievement was to be recognized by
Leadership in FDOT on my skills and abilities and subsequently
being appointed as the Director of Construction and the Chief
Engineer. 1 always remind folks of my story that if you work
hard and be inclusive rather than exclusive, things will turn out
just fine. However, 1 was lucky to having worked under very
good managers (and even better individuals).

3. In your opinion, what are Florida's greatest transportation-
related concerns? Do you believe those will remain in the
future? How should Florida address these present and future
concerns? What is your vision for Florida's transportation

The biggest challenge facing the Florida today is sustainable
funding for transportation, which results in an uncertain future
for our state's transportation infrastructure. Florida boasts one
of the best transportation systems in the nation, but the recent
economic downturn has really put transportation funding front
and center. Florida will again continue to grow and will become
the third-largest State of the Union. There are just too many
good things that Florida has to offer. Unfortunately, at the
present time, there is no leadership from the elected officials on
how to create a sustainable funding source and more often than
not, this debate gets lost in the ideological battles rather than for
our elected officials to rise above and do the right thing.

In the short term, this will be a bigger problem than it has
been ever. 1 say that on the heel of Florida Legislature trying
to sweep $400 million from the State Transportation Trust
Fund to balance the budget. 1 fully recognize that Florida has a
huge budget shortfall, but this action in itself demonstrates the

In the coming decade, 1 envision a [funded] transportation
system that embodies [an] intermodal system: a system where
the ports, airports, recreational places and places of commerce
are connected by highways, rail (high speed and commuter
system) and transit. A system that is paid through a combination
of funding mechanisms that are in synch with what we envision
the system to be and to do; and private equity in the form of
public-private partnerships.

4. What technologies or policies do you see as the most
promising in transportation nationally?

Development of both high-speed rail and commuter rail,
Intelligent Transportation Systems and the concept of a systems
approach to transportation, the migration to a user fee based on
the miles driven rather than a gas tax, and increased use of toll
roads, managed lanes and congestion pricing.

5. What priorities should public agencies set to anticipate
present and future changes and challenges?

Develop staff and core competencies to the emerging
technologies and policies. Retention of staff will also be very
critical. Public agencies should look to streamline their process
to deliver the improvements faster. 1 am always reminded
of a saying that goes something like, "Don't look for new
destinations using an old map."

6. What is your opinion about the current developments in
high-speed rail between Tampa and Orlando?

The development of a high-speed rail network in Florida is
very important piece of the Transportation Systems of the
future. Therefore, it is very important that the first segment
between Tampa and Orlando is established in a manner that it
is compatible with a network at large within Florida and the


country. But we also need to be mindful that with the advent
of high-speed rail, we have now added another high-cost
variable to the sustainable transportation-funding dilemma that
I mentioned earlier.

7. What are three areas of research that you believe
universities should undertake?

The three areas of research are (1) a systems management and
operations approach to transportation; (2) alternative models of
funding transportation; and (3) innovative materials, techniques
and methods.

8. How important do you believe is interdisciplinary
collaborative research? What expertise do you believe is
necessary in dealing with transportation problems?

Interdisciplinary collaborative research is very important as
the current problems that we are facing extend beyond Civil
Engineering 101 (soils, concrete and asphalt). The research
that will help us solve the problems of the future that will
need expertise of business processes, financing, economics and
systems engineering to name a few.

9. In your experience, what areas) do new graduates who are
entering the transportation engineering profession need to work
on the most to be successful?

In the past decade, engineering economics may have de-
emphasized, but we will enter into an era where different forms
of funding/financing will provide the revenue for transportation,
therefore, renewed focus on engineering economics and
financing is vital. Understanding the issues of different modes
of transportation and their interconnectivity is very important
as we are beginning to embark on a "true" intermodal
transportation system nationwide.

10. What are advantages and disadvantages of working in
the private vs. public sector, and what advice would you give
graduating students regarding such a career choice?

I am biased toward starting in the public sector since that
is what I did. The public sector offers a new graduate the
broad knowledge base that working in the private sector may
not. Furthermore, the public sector offers more opportunity
for training and expanding the knowledge base without the
pressures of being billable. Having said that, the private sector
offers graduates the opportunity to work on unique and
challenging projects across the country (even in the world)
while being mentored by a seasoned professional. In the ideal
world, a graduate greatly benefits from working in both public
and private sector so as to appreciate each other's unique

11. What advice would you offer to our students who are just
beginning their professional careers in transportation?

Be humble, respect your peers and fully understand the
background of why it is being done in a certain way. I will
quote a saying that goes something like "the further we look
into history, the clearer we can look into the future." You will
have your opportunity to put "your stamp" on what we do and it
will more than likely come very soon but until then, learn and
soak up all you can.

Members of the CMS Internal Steering Committee and External
Advisory Board at Emerson Alumni Hall at UF.

A l S



The annual meeting of the CMS's External Advisory Board (EAB) took place March
4 and 5 at Emerson Alumni Hall, a facility located across from the University of
Florida campus. This year, the EAB provided feedback on the transportation program's
undergraduate and graduate curricula, including its continuing education and
professional development programs. Scott Washburn, who is a member of the CMS's
Internal Steering Committee (ISC) and also an associate professor in the Department of
Civil Et Coastal Engineering, gave the EAB an overview of the transportation program's
current curriculum. Based on Washburn's presentation, EAB member Ananth Prasad
of HNTB provided feedback on the current curriculum and made recommendations.
Bill Sampson, CMS member and director of McTrans, spoke on the center's existing
continuing education and professional development activities. Suggestions and
recommendations of the existing activities in this area were provided by EAB members Elizabeth Birriel of the Florida Department
of Transportation (FDOT) and Max Crumit, of PBSEtJ. On day two of the annual meeting, Robert Bertini, Ph.D., USDOT/RITA deputy
administrator; Curtis Tompkins, director of University Transportation Centers Program; and Robin Kline, university programs specialist
joined the EAB meeting via video conference from their headquarters in Washington, D.C.


The CMS Annual Student Conference was held March 5 at Emerson Alumni Hall. UF students, faculty and staff, and members of the
center's External Advisory Board (EAB) and other transportation professionals attended the half-day conference. Students from the
Departments of Civil Et Coastal Engineering (CCE), Industrial Et Systems Engineering (ISE), and Urban Et Regional Planning (URP)
participated in this event and presented their work on transportation-related issues. Students were also invited to present their work
during a poster session held as part of the conference. The EAB evaluated presentations and posters, and students received awards
for best presentation and best poster. The first-place winner in the oral presentation category was Qipeng (Phil) Zheng, a doctoral
candidate from ISE. The second-place winners were Max Shmaltsuyev and Ruoniu (Vince) Wang, both graduate students in URP. The
third-place winner was Irene Soria, a graduate student in CCE. The poster presentation winners were: Ziqi Song, first place (Ph.D.
student, CCE); Liyuan Zhao, second place (Ph.D. student, URP); Bilge Tutak, third place (Ph.D. student, CCE).



Modeling Face-to-Face and Internet-Based Social
Activity Participation Decisions
Implementation of Two-Lane Highway Modeling
Into the CORSIM Simulation Program
Comparison of Capacities of HOV Lanes and GP
Comparison of Car-Following Models to Field
Evaluating the Impacts of Advanced Driver
Assistance Systems using a Driving Simulator
Risk Factors Affecting the Injury Severity of
Large-Truck Crashes
Advancing Scheduling Models and Solution
Algorithms for Real-Time Disaster Evacuation

The Economic Costs of Traffic Congestion in
The University of Florida Auto-Restricted Zone
Impacts of Incidents on Freeway Operations
Vulnerability Analysis of Transportation Networks
as a Result of Climate Change
Impacts of Vertical Data Accuracy on Estimating
the Effects of Sea Level Rise on Local Highway
Optimal Deployment of High-Occupancy Vehicle/
Toll Lanes in General Networks

Development of a Multimodal Transportation
Educational Virtual Appliance (MTEVA) to
Study Congestion during Extreme Tropical
An Approach for Disseminating T .!... ..
Volumes of Vector Data Using Google Earth
A Quantitative Evaluation of the Relationship
between Land Use Allocation and
CA and Agent-based Land use Forecasting
Model for Transportation Demand

A complete list ofparticipants,
the winners of the student presentation and
poster competitions, is provided at:

10 CMS SPRING 2010

no c/:th ms.ce.ufl.eu pesee cne



Yafeng Yin, Ziqi Song and Toi Lawphongpanich at the CMS Student
Conference in March 2010.


The first round of CMS projects from 2008 (Year 1) is nearly complete. Visit the
following website to obtain the posted final reports:
http://cms.ce.ufl.edu/research/completed projects.php

2009 (Year 2) projects are currently underway, and most are scheduled to be
completed soon. Visit the following website for a list of those projects:


CMS Project # 2010-001
PI: Panos Pardalos, Ph.D.
Title: Novel Approaches for Road Congestion Minimization
Department: Industrial E Systems Engineering

CMS Project # 2010-002
PI: Yafeng Yin, Ph.D.
Title: Protecting Public Interests in Public-Private-Partnership
Arrangements for Highway Improvement Projects
Department: Civil E Coastal Engineering Transportation

CMS Project # 2010-005
PI: Yafeng Yin, Ph.D.
Title: Enhancing CORSIM for Simulating High Occupancy/Toll
Lane Operations
Department: Civil E Coastal Engineering Transportation

CMS Project # 2010-007
PI: Scott Washburn, Ph.D.
Title: Development of an Analytical Methodology for Two-
Lane Highway Facility Analysis
Department: Civil E Coastal Engineering Transportation

CMS Project # 2010-012
PI: Sherrilene Classen, Ph.D.
Title: Validity and Usability of a Safe Driving Behaviors
Measure for Older Adults: Strategy for Congestion Mitigation
Department: Occupational Therapy

CMS Project # 2010-013
PI: Andres Blanco, Ph.D.
Title: The Effects of Impact Fees in Urban Form and
Congestion in Florida
Department: Urban E Regional Planning

CMS Project # 2010-016
Pl: ,ii: .. (Toi) Lawphongpanich, Ph.D.
Title: Nonlinear Road Pricing for Congestion and the
Department: Industrial E Systems Engineering

CMS Project # 2010-017
PI: Ralph Ellis, Ph.D.
Title: Enhancement of a Network Analysis Tool to
Accommodate Multiple Construction Work Zone Analysis
Department: Civil Et Coastal Engineering

CMS .'. i # 2010-018
PI: .Joseph Geunes, Ph.D.
Title: Impacts of Efficient Transportation Capacity Utilization
via Multi-Product Consolidation on Transportation Network
Usage and Congestion
Department: Industrial a Systems Engineering

Lily Elefteriadou with Justin Davis, a coastal engineering faculty,
during the CMS Student Conference in March 2010.

CMS SPRING 2010 11


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Student Spotlight* A CONVERSATION WITH

Aviles-Spadoni: Why did you become interested in
transportation engineering?

Weisman: 1 love to drive. In high school 1 would
study roadmaps and drive all over south Florida.
Being such an avid driver, 1 always wondered what
new technologies were being applied to traffic
signals that could provide for better efficiency of the

Aviles-Spadoni: How did you choose your area of
specialization within transportation?

Weisman: 1 was always fascinated with traffic signals.
Making signal timings work for the public is a large
dynamic puzzle that needs constant attention and
technology to keep it all working together.

Aviles-Spadoni: Describe the project you worked on
as a grad student.

Weisman: 1 helped get the Weil Hall signal lab
online with the Traffic Management System, giving
the program access to live streaming traffic cameras from around
Gainesville. 1 updated the signal lab's working traffic signal with new
LEDs and traffic controller. Also worked with Dr. Washburn to have
the real traffic signal cabinet at Stadium Drive and Gale Lemerand
Drive replaced with a special plexi-glass door so that pedestrians can
see the inside of the traffic signal cabinet.

Aviles-Spadoni: What did you like the most about your project?

Weisman: By utilizing my traffic engineering position with the City of
Gainesville, 1 was able to give back to the department by making these
enhancements so that future students will have a better educational

Aviles-Spadoni: What was the strangest thing you experienced while
gathering and collecting data in the field?

Weisman: Because of my youth, I've often been approached by police
questioning my authorization for working in a signal cabinet. 1 am
also amazed by the number of people that drive and talk on their cell

Aviles-Spadoni: You were this year's (2010) student of the year for
the CMS and you went to TRB to receive the honor. Describe to me
how you felt about that.

Weisman: 1 think being awarded the Student of the Year is the highest
achievement that one can achieve as a student in this profession. I
was truly honored and grateful to accept this prestigious award.

Aviles-Spadoni: You worked for the City of Gainesville while you were
a graduate student at UF. Describe your job-related responsibilities
while working for the city.

Weisman: Upon my 2007 graduation, 1 was hired by the City of
Gainesville to spearhead the $18.2 million implementation of the
County-wide Traffic Management System. Because it is a large
ITS (Intelligent Transportation Systems) project, my job title is ITS

Operations Engineer. The project includes changing
out all the traffic signal controllers and cabinets,
installing traffic monitoring cameras, signal
retiming and building a fiber communications
network. Now that over 50 percent of the project
is complete, the system is used every day to detect
malfunctions, clear out incidents, and for special
event management. 1 get to positively impact the
daily lives of all the Alachua County citizens, as
well as Gators fans that use our roadways before
and after sporting events.

Aviles-Spadoni: What benefit did working for the
city while attending graduate school have on your
technical performance?

" Weisman: The grad program goes into considerable
detail of the calculations and algorithms 1 use all
the time with city. 1 am able to adjust models better
because of my education with the program.

Aviles-Spadoni: Your feelings on the transportation
program at UF?

Weisman: The University of Florida is one of the best-known
transportation programs in the world. We have Dr. Courage to thank
for building our foundation. Our other professors also bring wide
recognition to the program.

Aviles-Spadoni: What advice do you have for students considering a
graduate degree in transportation engineering? Survival tips?

Weisman: Take the time to really understand the concepts. Pick your
elective courses wisely so that they are transportation-related to your
areas of interest.

Aviles-Spadoni: And now, for something light: Any favorite pastimes?

Weisman: 1 have always been a huge Gators football fan. 1 enjoy
going on road trips to many road games with friends. Now that 1 can
make the pre and post-game traffic flow faster and less stressful for
the fans, 1 feel 1 am giving back to the program. 1 also like to pass time
playing and listening to music.

Aviles-Spadoni: Thank you for taking the time to 'speak' with us. I'd
like to give you the last words...

Weisman: I'd like to thank the City of Gainesville's Public Works
Department, Teresa Scott, Director, Phil Mann, Transportation
Services Manager, for affording me the job opportunity as well as the
time and resources to complete my master's degree.

Matt Weisman is currently working as a traffic operations engineer
for the City of Gainesville Public Works Department. Weisman was
recently featured in The Gainesville Sun on April 7, 2010 in an article
titled "Cameras at Intersections Help with Traffic Flow."

Ines Aviles-Spadoni is the Coordinator of the Center for Multimodal
Solutions for Congestion Mitigation. She is also the managing editor
of the center's newsletter.

CMS SPRING 2010 13


Council of University Transportation Centers
(CUTC) Awards
(Presented at the 2010 CUTC Awards Banquet on
January 9, Omni Shoreham Hotel, Washington,

Dimitra Michalaka, M.S. (UF 2009)
Pikarsky Award for Outstanding M.S. Thesis in
Science t Technology

Yingyan Lou, Ph.D. (UF 2009)
Pikarsky Award for Outstanding Ph.D.
Dissertation in Science t Technology

Matt Weisman, M.E. (UF 2009)
Outstanding Student of the Year Award


Awards for Student Presentations
1st Place -Qipeng Zheng (Ph.D. Student, ISE)
Advancing Scheduling Models and Solution
Algorithms for Real-Time Disaster Evacuation

2nd Place -Max Shmaltsuyev and Ruoniu
(Vince) Wang (M.A. Students, URP) The Economic
Costs of Traffic Congestion in Florida

3rd Place Irene Soria (M.S. Student, CCE)
Comparison of Car-Following Models to Field

Awards for Student Posters
1st Place -Ziqi Song (Ph.D. Student, CCE)
Optimal Deployment of High-Occupancy Vehicle/
Toll Lanes in General Networks

2nd Place -Liyuan Zhao (Ph.D. Student, URP)
A Quantitative Evaluation of the Relationship
Between Land-Use Allocation and Transportation

3rd Place -Bilge Tutak (Ph.D. Student, CCE)
Development of a Multimodal Transportation
Educational Virtual Appliance (MTEVA) to Study
Congestion during Extreme Tropical Events

Women's Transportation Seminar (WTS) Awards
Amy Cavaretta
2009 Frankee Hellinger Undergraduate
Scholarship (C. Fla. Chapter)

Heather Hammontree
2009 Undergraduate Leadership Scholarship
(C. Fla. Chapter)

Barbara Martin
2009 Frankee Hellinger Graduate Scholarship
(C. Fla. Chapter)

Finishing graduate school is one ofthie greatest
accomplishments in a student's life. Find out
where some of our graduates are today.

Cristina Barone, MAURP (UF 2009)
Transportation Planner, Tindale-Oliver F

Andrew Batson, MAURP (UF 2009)
Planning Associate, Michael Baker Associates;
Harrisburg, Penn.

Carlos Cruz, M.S. (UF 2007)
Kimley Horn F Associates, Inc.; Ft. Lauderdale,

Jeffrey Davis, MAURP (UF 2008)
Fehr and Peers, Walnut Creek, California

Aaron Elias, M.S. (UF 2009)
Associate Transportation Engineer, Dowling
Associates, Inc.

Allison Fischman, MAURP (UF 2009)
Attending law school at the University of

David Kanarek, MAURP (UF 2009)
Gardens Home Management Services (Palm
Beach, FL)

Abishek Komma, M.S. (UF 2008)
Transportation Analyst, AECOM Consult, Inc.

Alexandra Kondyli, Ph.D. (UF 2009)
ANKA Consulting (Greece)

Ana Lai, M.S. (UF 2009)
Traffic Engineer, Urban Systems Associates, Inc.

Seokjoo Lee, Ph.D. (UF 2009)
Research Associate, Korea Transport Institute

Yingyan Lou, Ph.D. (UF 2009)
Assistant Professor, The University of Alabama
at Tuscaloosa

Dimitra Michalaka, M.S. (UF 2009)
Doctoral student, University of Florida

Vipul Modi, M.S. (UF 2009)
Research Associate
UF Transportation Research Center (TRC)

Stephanie Murray, MAURP (UF 2009)
Pursuing a master's degree in the Rinker School
of Building Construction at the University of

Abigail Osei-Asamoah, M.S. (UF 2009)
Doctoral student, University of Connecticut

Benito Perez, M.S./MAURP (UF 2009)
Transportation Engineer, Hampton Roads
Transportation Planning Organization

Andrew Persons, MAURP (UF 2008)
Marion County, FL Growth Management

Chad Riding, MAURP UF 2009)
Transportation Planner, California Department
of Transportation (Caltrans)

Jeff Schmucker, MAURP (UF 2009)
Employed by the Department of Urban and
Regional Planning at the University of Florida

Jian (Daniel) Sun, Ph.D. (UF 2009)
Assistant Professor, Tong-Ji University, China

Matt Weisman, M.E. (UF 2009)
ITS Operations Engineer 11
Traffic Management Division
City of Gainesville Public Works Department

The transportation program at UF has alumni
all over the world working in some of the very
best companies and institutions. If you are a
former student of the transportation program at
UF visit http://cms. ce.uf/7.edu/contact us/and
let us know where in the world you are today.

14 CMS SPRING 2010





Wilco Middag, a fan of cycling and soccer,
is a civil engineering student at the
University of Twente, the Netherlands. As
an intern at the CMS, Middag worked with
Yafeng Yin, Ph.D., an assistant professor
in the Department of Civil ft Coastal
Engineering. Middag's project was related
to the cumulative prospect theory, which
describes a driver's decision on whether
to pay a fee to use a high-occupancy/toll
(HOT) lane. "For me, the project has two
interesting subjects: one is the concept
of HOT-lanes. In The Netherlands we don't have anything like toll lanes or
carpool lanes," Middag said. "And the second is drivers' behavior toward the
pricing ideas; how do they react and how that can he modeled? It is nice
opportunity that I can do the research here with the expertise and the support."
After completing his bachelor's degree, Middag has plans to pursue a graduate
program in transportation at the University of Twente. "After that I'm not
sure yet, maybe working on the research side of transportation or engineering


The CMS is hosting Hongli Xu, a Ph.D.
student from Nanjing University in
Wuhan, China. Wuhan, one of the biggest
cities in China, is divided into three parts
by the Yangtze and Han rivers. It is densely
populated and congested. It serves as a hub
to most of the overland communications
in China. At UF, Xu is conducting research
related to her dissertation. Her mentor is
Yafeng Yin, Ph.D., an assistant professor
in the Department of Civil ft Coastal
Engineering. He also serves as co-adviser
on her doctoral committee at Nanjing
University. Xu's project is related to
User Equilibrium Route Flows. Xu was awarded a scholarship by the Chinese
government to conduct research for her dissertation in the United States. "Since
Dr. Yin is a popular researcher in my research area, I asked him to be my co-
supervisor and luckily obtained his permission," Xu said. "I benefit a lot from his
guidance." Xu said she has enjoyed the interaction with the students and faculty
in the transportation program at UF. "The learning environment is great, and the
teachers and students are very nice," Xu said. She also finds the transportation
seminars organized by the CMS useful because they give her "insight on the
current transportation management and research in the United States."


Jean-Philippe Delorme comes to us from the Ecole Nationale des Travaux Publics de
L'Etat (ENTPE). ENTPE is located in Lyon, a city in east-central France in the Rhone-
Alpes region. It is situated between Paris and Marseille. Lyon is also where Delorme
has spent most of his life and has enjoyed playing
soccer, hanging out with his friends and playing
the piano. At the ENTPE, Delorme is majoring in
transportation engineering through the National
Graduate School of Civil Engineering and
Sustainable Development. He decided to come to
this country to fulfil his internship requirements
and because he was interested in visiting the United
States. "The internship was a very good opportunity
for me to come here," Delorme said. "It is the
first time I come to the USA, and I really like it."
Delorme is working with Professor Lily Elefteriadou,
Ph.D., director of the CMS, on a project related
to the impact of advanced vehicle technologies
on congestion. His responsibilities on this project
include data collection and analysis.


Bouke Vogelaar is also from the University of Twente, in the Netherlands, and was
hosted by the CMS in fall 2009 as an intern with Siva Srinivasan, Ph.D., an assistant
professor in the transportation program. Under the supervision of Srinivasan, Vogelaar
used data from the National Household Travel Survey to analyze the travel patterns
of children. Vogelaar specifically looked at differences in patterns between school-
going days and non-school-going days. While working on this project, Vogelaar
said he gained insight into how to manage a
research project. "I have learned more than I ever
expected about research work, travel behavior
and data analyzing." Vogelaar said. "Besides the
technological knowledge I have gained, I learned
a lot about self-motivation, work effort and
planning. It is a joy to work together with Dr. Siva
Srinivasan who is helping and guiding me in a
fantastic way." In his spare time, Vogelaar likes to
be involved in outdoor sports-related recreational
activities. "In the winter, I enjoy long-track ice
speed skating," Vogelaar said. "There is a speed
~, : Cskating hall about 800 yards from my home in
the Netherlands, so I try to go there at least once a
Weekk" Vogelaar also likes to ski in the Alps in the
winter. In the warmer months, he enjoys soccer,
rugby and cycling.



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Mr. Ramakrishna Yennamani, transportation planner at Parsons Brinckerhoff, passed away on June 1, 2009
from a tragic swimming accident on a beach in Hawaii. It's been almost a year since he left us, and some of
us still don't have the courage to sit down and i,.. I what happened.

Rama, as he was called, completed his bachelor's degree in civil engineering from the prestigious Indian
Institute of Technology Madras, Chennai followed by a master's degree in transportation engineering at the
University of Florida.

Rama Yennamani with his parents on the evening of his
graduation in front of the College of Engineering.

At only 24 years of age, he scaled heights in his professional and academic career that perhaps only few
could dream of. A born leader and an entertainer, he always looked to initiate and participate at social and
sports events. He lived life with a "never give-up attitude" and with an unbounded enthusiasm and coolness.
The times we have shared living with him as roommates and learning with him as classmates have etched
countless happy memories in our hearts. We feel fortunate to have had interacted at many levels with this daring, bold, super smart, honest, fun
loving, always smiling (and bringing smiles around him) friend. A great son, brother, student and friend, he made his presence speak for him in any
. i... ... i. or gathering. Even though he is not with us in person anymore, his memories will last in our hearts and souls forever. We miss you Macha!!

Written by former CMS students Vipul Modi and Abishek Komma


August 12, 2010
8:00 AM to 4:30 PM
Royal Plaza Hotel
(in the Walt Disney World Resort Lake Buena Vista, Florida)

The workshop has been developed for transportation professionals interested in the latest updates and software applications to the 2010 HCM. Six
Professional Development Hours (PDHs) will be offered for ii,. ni, the workshop.


Gina Bonyani, Florida Department of Transportation
SKen Courage, University of Florida
Janice Daniel, New Jersey Institute of Technology
Doug McLeod, Florida Department of Transportation
SBill Sampson, McTrans, University of Florida
Scott Washburn, University of Florida
*John Zegeer, Kittelson Ft Associates, Inc.


Early-birds $195 USD (register by July 15, 2010)
Regular or on site $245 USD (if on site, with credit card only)
Workshop sponsors $145 USD


Registration Ft Hotel Information:

Visit: http://trc.ce.ufl.edu/news and events/hem 2010 Workshop.php

Sponsorship Opportunities Available!
There are various sponsorship levels which will provide your company a discounted workshop registration rate and more. Your generous contribution
will help to support this workshop and future technology transfer activities.

For more information on the workshop, registration and sponsorship opportunities,
contact Ines Aviles-Spadoni at 352-392-9537, Ext. 1409 or at iaviles@ce.ufl.edu.

CMS SPRING 2010 17


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Non-Profit Org
US Postage
512 Well Hall
P.O. Box 116580 Gainesville, FL
Gainesville, FL 32611-6580 Permit No. 94
Phone: 352.392.9537, Ext. 1409
Fax: 352.846.1699


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