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International
Conference on
Transportation and
Development 2018
Planning, Sustainability, and
Infrastructure Systems
Papers from Sessions of the
International Conference
on Transportation and
Development 2018
Pittsburgh, Pennsylvania
July 15–18, 2018
Edited by
Yinhai Wang, Ph.D.
Michael T. McNerney, Ph.D., P.E.
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INTERNATIONAL CONFERENCE ON
TRANSPORTATION AND DEVELOPMENT
2018
PLANNING, SUSTAINABILITY, AND INFRASTRUCTURE
SYSTEMS
SELECTED PAPERS FROM THE INTERNATIONAL CONFERENCE ON
TRANSPORTATION AND DEVELOPMENT 2018
July 15–18, 2018
Pittsburgh, Pennsylvania
SPONSORED BY
The Transportation & Development Institute
of the American Society of Civil Engineers
EDITED BY
Yinhai Wang, Ph.D.
Michael T. McNerney, Ph.D., P.E.
Published by the American Society of Civil Engineers
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Published by American Society of Civil Engineers
1801 Alexander Bell Drive
Reston, Virginia, 20191-4382
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Any statements expressed in these materials are those of the individual authors and do not
necessarily represent the views of ASCE, which takes no responsibility for any statement
made herein. No reference made in this publication to any specific method, product, process,
or service constitutes or implies an endorsement, recommendation, or warranty thereof by
ASCE. The materials are for general information only and do not represent a standard of
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statutes, or any other legal document. ASCE makes no representation or warranty of any
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assumes no liability therefor. The information contained in these materials should not be used
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Errata: Errata, if any, can be found at https://doi.org/10.1061/9780784481561
Copyright © 2018 by the American Society of Civil Engineers.
All Rights Reserved.
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International Conference on Transportation and Development 2018
Preface
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It is our great pleasure to welcome you to the ASCE International Conference on Transportation
and Development (ICTD 2018)! Organized by Transportation and Development Institute
(T&DI), ICTD is ASCE’s flagship conference in transportation and development. The
conference theme, Emerging Technologies: Impacts on Transportation and Development,
represents our vision and goal for future endeavors in transportation and development research,
education, and practice. ASCE ICTD 2018 awaits your active participation and contribution at
the beautiful and scenic Wyndham Grand Pittsburgh Downtown Hotel from July 15 through 18,
2018.
Pittsburgh is historically known as “the Steel City.” Now, about 1,600 technology firms,
including Google, Apple, Bosch, Facebook, Uber, Nokia, Autodesk, and IBM, have landed in
Pittsburgh, making it an important technology hub and one of the eleven most livable cities in
the World. Being the host city of ASCE ICTD 2018, Pittsburgh offers many unique real-world
examples for transportation and development professionals to feel, think, and learn.
ASCE ICTD 2018’s technical program is featured with four plenary sessions:
Opening Plenary Session: Keynote Speeches from Federal, State, and Local Government
Leaders.
Private Sector CEO Forum: Impacts of Connected & Autonomous Vehicles on
Transportation & Development - Perspectives of Leaders from the Private Sector
State DOT CEO Forum: Impacts of Connected & Autonomous Vehicles on
Transportation & Development - Perspectives of Leaders from the Public Sector.
The Advent of CAVs - A Global Perspective: Current Status of Deployment and Future
of Connected and Autonomous Vehicles Around the World.
The program covers deeper technical content on multiple modes and topics in transportation and
development in eight (8) concurrent tracks. It also includes a variety of special events such as
the T&DI Board of Directors’ Town Hall Meeting, Younger Members’ “The Best Advice I Ever
Received” session, icebreaker reception, and an Awards Banquet. The conference is preceded
with four (4) associated workshops:
Mobility as a Service Workshop
University Transportation Center Technology Transfer Workshop
NSF Civil Infrastructure Systems Workshop
ASCE Ethics Workshop.
All these workshops are carefully designed to enhance fruitful experience of participants. Last
but not the least, conference attendees get the opportunity to attend over 15 technical committee
meetings of ASCE as preconference event, covering all areas of transportation and development.
In addition, partnering with Transportation Research Board (TRB), two TRB committees have
chosen to host their mid-year meeting at ICTD 2018, giving conference attendees additional
exposure to technical discussions and content.
© ASCE
iii
International Conference on Transportation and Development 2018
It is exciting to announce that ASCE ICTD 2018 attracted huge interests as indicated by the
record high quality contributions and the rich technical program. A total of 146 papers were
accepted for publication in the proceedings. These published papers went through a rigorous
review and quality assurance process in the process of becoming a publication of ASCE – the
world’s largest publisher of Civil Engineering content. The proceedings for this conference have
been organized in four (4) different volumes based on the topical distribution as follows:
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Volume I: Connected & Autonomous Vehicles and Transportation Safety
Volume II: Traffic & Freight Operations and Rail & Public Transit
Volume III: Airfield & Highway Pavements
Volume IV: Planning, Sustainability, and Infrastructure Systems
All these accomplishments are due to the excellent team efforts of our Conference Steering
Committee, and the terrific support from ASCE-T&DI staff. We would like to express our
sincere gratitude to all the authors and conference participants for their solid contributions. We
are also grateful to all paper reviewers for their outstanding volunteer efforts. Finally, our special
thanks goes to the entire Conference Steering Committee, Local Organizing Committee, T&DI
technical committee volunteers, ASCE-T&DI staff members, sponsors, exhibitors, invited
speakers, and session chairs for their hard work and great efforts to help lead ASCE ICTD 2018
on track to a great success!
ASCE ICTD has been an excellent platform for information exchange, experience sharing, and
professional networking since it was launched in 2011. We hope ASCE ICTD 2018 to be another
wonderful and rewarding experience in your memory. Wish you a very pleasant stay in
Pittsburgh!
ASCE ICTD 2018 Co-Chairs & Proceedings Editors
Yinhai Wang, Ph.D., M.ASCE
University of Washington
© ASCE
Michael T. McNerney, Ph.D., P.E., M.ASCE
University of Texas at Arlington
iv
International Conference on Transportation and Development 2018
Acknowledgements
Conference Steering Committee
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Yinhai Wang, Ph.D., M.ASCE (Co-Chair & Proceedings Editor)
University of Washington
Michael T. McNerney, Ph.D., M.ASCE (Co-Chair & Proceedings Editor)
University of Texas at Arlington
Chris Hendrickson, Ph.D., Hon.M.ASCE (Chair, Local Organization Committee)
Carnegie Mellon University
Randall (Randy) S. Over, P.E., F.ASCE, Retd. (Chair, Sponsorships & Exhibits)
2014 President of ASCE, Ohio DOT
Brian McKeehan, P.E., F.ASCE (Past-Chair)
Gresham, Smith and Partners
Katherine Kortum (Track Chair, Development)
Transportation Research Board (TRB)
Robert Bryson, P.E., M.ASCE Retd. (Track Chair, Roadways)
City of Milwaukee
Walt Kulyk, P.E., M.ASCE, Retd. (Track Chair, Rail & Public Transit)
Federal Transit Administration
Rich Thuma, P.E., M.ASCE (Track Chair, Aviation)
Crawford, Murphy & Tilly
Zhanmin Zhang, Ph.D., M.ASCE (Track Chair, Mode Spanning)
University of Texas at Austin
Jianming Ma, P.E., M.ASCE (Track Chair, Connected & Autonomous Vehicles’
Impacts)
Texas Department of Transportation
Local Organizing Committee
Chris Hendrickson, Ph.D., Hon.M.ASCE (Chair, Local Organization Committee)
Carnegie Mellon University
David DiDiogia, P.E., M.ASCE
McMahon Associates
© ASCE
v
International Conference on Transportation and Development 2018
Sean Qian, Ph.D., M.ASCE (Student & Younger Member Activities)
Carnegie Mellon University
Stan Caldwell, Ph.D., M.ASCE
Carnegie Mellon University
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Julie Vandenbossche, Ph.D., M.ASCE
University of Pittsburgh
Paper Reviewers
Ahmed Abdeldayem
Renju Abraham
Burns & McDonnell Engineering
Company, Inc.
Emmanuel Adanu
University of Alabama
Nithin Agarwal
University of Florida
Baabak Ashuri
Georgia Tech University
Husain Abdul Aziz
Oak Ridge National Laboratory
Joel Barnett
Department of Transportation
Geoff Baskir
Federal Aviation Administration
Ricardo Aitken
Ahmad Al-Akhras
Public Transport Authority of Riyadh,
Saudi Arabia
Majed Al-Ghandour
North Carolina DOT
Priyanka Alluri
Florida International University
Panagiotis Anastasopoulos
University at Buffalo
Michael Anderson
University of Alabama in Huntsville
Justice Appiah
Virginia DOT
Ricardo Archilla
University of Hawaii
Warda Ashraf
Purdue University
© ASCE
Rahim Benekohal
University of Illinois at Urbana-Champaign
Abhinav Bhattacharyya
University of California, Berkeley
Richard Boudreau
Boudreau Engineering, Inc.
Georges Bou-Saab
Iowa State University
David Brill
Federal Aviation Administration
Robert Bryson
Ayres Associates
Lei Bu
Jackson State University
Qing Cai
University of Central Florida
Samuel Cardoso
vi
International Conference on Transportation and Development 2018
Consultant on Airports and Airfield
Pavements
Silvia Caro
Universidad de los Andes, Columbia
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Halil Ceylan
Iowa State University
Karim Chatti
Michigan State University
Nspire Green
Kakan Dey
West Virginia University
Sunanda Dissanayake
Kansas State University
Kimberly Eccles
VHB
Larry Emig
Ghassan Chehab
American University of Beirut
Deogratias Eustace
University of Dayton
Peter Chen
Santa Clara Valley Transportation
Authority
Ahmed Faheem
Temple University
Subeh Chowdbury
University of Auckland
Wei Fan
UNC Charlotte
Mashrur Chowdhury
Clemson University
Muhammad Farhan
Imam Abdulrahman Bin Faisal University
Eleni Christofa
University of Massachusetts, Amherst
Luis Ferreras
David Clarke
University of Tennessee, Knoxville
Julius Codjoe
State of Louisiana
Alison Conway
City College of New York
Seosamh Costello
University of Auckland
Velvet Fitzpatrick
The National Academy of Sciences,
Engineering, and Medicine
Scott Forbes
Mike Frabizzio
Advanced Infrastructure Design, Inc.
Jason Frank
Garver
Robert Costigan
Ryan Fries
Southern Illinois University Edwardsville
Qingbin Cui
University of Maryland
James Gallagher
Resolution Management Consultants, Inc.
Jordan Daniell
HNTB Corporation
Christopher Garlick
Michael Garvin
Veronica Davis
© ASCE
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International Conference on Transportation and Development 2018
Virginia Polytechnic Institute and State
University
Jungyeol Hong
University of Seoul
Nasir Gharaibeh
Texas A&M University
Kamal Hossain
University of Illinois at Urbana-Champaign
Scott Gibson
Regional Transportation Commission of
Washoe County, Nevada
Mohammad Imran Hossain
Bradley University
Konstantina Gkritza
Purdue University
Salil Gokhale
Dynatest
Nima Golshani
University of Illinois at Chicago
Yaobang Gong
University of Central Florida
© ASCE
Mustaque Hossain
Kansas State University
Jill Hough
North Dakota State University
Jia Hu
University of Virginia
Hai Huang
Penn State University
Jozef Grajek
EJG Aviation
Mouyid Islam
Center for Urban Transportation Research,
University of South Florida
Feng Guo
Virginia Polytechnic Institute and State
University
Reza Jafari
Road Safety and Transportation Solutions,
Inc.
Jim Hall
Applied Research Associated, Inc.
Mohammad Jalayer
Rutgers University
Thomas Hall
Purdue University
Steven Jones
University of Alabama
John Harvey
UC Davis
Ganesh Karkee
City of Sunnyvale, California
David Hein
Applied Research Associated, Inc.
Kurt Keifer
Gorrondona & Associates, Inc.
Brendon Hemily
Hemily and Associates
Vivek Khanna
WSP
Chris Hendrickson
Carnegie Mellon University
Myungseob Kim
Western New England University
Frank Hermann
Sonny Kim
University of Georgia
viii
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International Conference on Transportation and Development 2018
Ronald Knipling
Safety for the Long Haul, Inc.
Min Liu
NC State University
Kristin Kolodge
J.D. Power
Cheryl Lowrance
VHB
Alexandra Kondyli
University of Kansas
Jianming Ma
Texas Department of Transportation
Eleftheria Kontou
National Renewable Energy Laboratory
Wanjing Ma
Katherine Kortum
Transportation Research Board
Gregory Krueger
HNTB Corporation
Emin Kutay
Michigan State University
Samuel Labi
Purdue University
Hyung Lee
Applied Research Associated, Inc.
Kang-Won Lee
University of Rhode Island
© ASCE
Matthew Mace
Hill International
Rajib Mallick
Worcester Polytechnic Institute
Angel Mateos
University of California, Berkeley
Akhilesh Maurya
Indian Institute of Technology Guwahati
Mehran Mazari
California State University, Los Angeles
Leslie McCarthy
Villanova University
Matthew Lesh
Brian McKeehan
Gresham Smith & Partners
Yingfeng Li
Center for Infrastructure-Based Systems
Magaret McNamara
University of Alabama
Zhenning Li
University of Hawaii
Sue McNeil
University of Delaware
John Lieswyn
ViaStrada
Mike McNerney
University of Texas at Arlington
Lei Lin
University at Buffalo
Richard Meininger
Department of Transportation
Huiyuan Liu
University of Nebraska-Lincoln
Mariely Mejias
US Army Corps of Engineers
Jun Liu
Deb Mishra
ix
International Conference on Transportation and Development 2018
Boise State University
Lambros Mitropoulos
University of Hawai'i, Manoa
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Amin Mohamadi Hezaveh
University of Tennessee, Knoxville
Nadereh Moini
New Jersey Sports and Exposition
Authority
Ali Mokhtari
University of Iowa
Dan Murphy
CDM Smith
Brian Park
University of Virginia
Ram Pendyala
Arizona State University
Josh Peterman
Fehr & Peers
Diniece Peters
New York City Department of
Transportation
Mike Murphy
University of Texas at Austin
Kelly Pitera
Norwegian University of Science and
Technology
Scott Murrell
Applied Research Associated, Inc.
Avinash Prasada
New York City Transit
Anusha Musunuru
Kittelson & Associates
Panos Prevedouros
University of Hawaii
Andrzej Nowak
Auburn University
Srinivas Pulugurtha
UNC Charlotte
Osama Osman
Louisiana State University
Yu Qian
University of South Carolina
Aleli Osorio-Lird
Zhen Qian
Carnegie Mellon University
Yanfeng Ouyang
University of Illinois at Urbana-Champaign
Hasan Ozer
University of Illinois at Urbana-Champaign
Srikanth Panguluri
CH2M
Aristeidis Pantelias
University College London
Tom Papagiannakis
University of Texas at San Antonio
© ASCE
Cody Parham
HDR, Inc.
Brian Reynolds
WSP
Laurence Rilett
University of Nebraska-Lincoln
Charles Rivasplata
San Jose State University
Dimitris Rizos
University of South Carolina
Stephen Romanoschi
x
International Conference on Transportation and Development 2018
University of Texas, Arlington
Dean Rue
CH2M
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Eugene Russell
Kansas State University
Tariq Saeed
Purdue University
Milad Saghebfar
Louisiana State University
Mitsuru Saito
Brigham Young University
Robert Scancella
James Scherocman
Consulting Engineer
Wayne Seiler
All About Pavements, Inc.
Mohamadreza Shafieifar
Florida International University
Vikas Sharma
Kimley-Horn
Samih Shilbayeh
Washignton State Department of
Transportation
© ASCE
Jerry Spears
Montana Association of Counties
David Stanek
Fehr & Peers
Aleksandar Stevanovic
Florida Atlantic University
Robert Stevens
Arcadis
Xiaoduan Sun
University of Louisiana, Lafayette
Prajol Tamrakar
University of Texas at El Paso
Shiraz Tayabji
Advanced Concrete Pavement Consultancy
LLC
Athanasios Theofilatos
National Technical University of Athens
Rich Thuma
Crawford, Murphy & Tilly
Raul Tiwari
School of Planning & Architecture Bhopal,
India
Oscar Oviedo Trespalacios
Amit Kumar Singh
Atkins
Erol Tutumluer
University of Illinois at Urbana-Champaign
Sarbjeet Singh
New York City Transit
Majbah Uddin
University of South Carolina
David Smith
Interlocking Concrete Pavement Institute
Avinash Unnikrishnan
Portland State University
Tai-Jin Song
Korea Transport Institute
Donald Uzarski
University of Illinois
Reginald Souleyrette
University of Kentucky
Amiy Varma
North Dakota State University
xi
International Conference on Transportation and Development 2018
Eileen Velez-Vega
Kimley-Horn
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Matthew Volovski
Manhattan College
Chao Wang
University of California, Riverside
Yinhai Wang
University of Washington
Ziran Wang
University of California, Riverside
Quintin Watkins
Michael Baker Internation
Jim Wilde
Minnesota State University Mankato
Zifeng Wu
AECOM
Hao Xu
University of Nevada, Rio
Guangchuan Yang
University of Wyoming
Xianfeng Yang
University of Utah
Anil Yazici
Stony Brook University
Mohamed Zaki
University of British Columbia
Raymond Zee
Federal Aviation Administration
Billy Williams
NC State University
Weibin Zhang
Nanjing University of Science and
Technology
Guoyuan Wu
University of California, Riverside
Zhanmin Zhang
University of Texas at Austin
Mengqi Wu
Port of Seattle
Jiguang Zhao
CH2M
Shenghua Wu
University of South Alabama
Mo Zhao
Virginia DOT
Yina Wu
University of Central Florida
Zhuping Zhou
Nanjing University of Science and
Technology
Workshop Organizers
Laurence Rilett, Ph.D., P.E., M.ASCE
University of Nebraska at Lincoln
Workshop: UTC Technology Transfer
Cynthia Chen, Ph.D.
Irina Dolinskaya
University of Washington
National Science Foundation (NSF)
Workshop: NSF Funding Opportunities in CMMI: CIS and OE Program
© ASCE
xii
International Conference on Transportation and Development 2018
Guohui Zhang
Wanjing Ma
University of Hawaii
Tongji University
Workshop: Mobility as a Service (MaaS)
xiii
Meng Li
Tsinghua University
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Tara Hoke, Aff.M.ASCE
American Society of Civil Engineers (ASCE)
Workshop: Ethics for the Practicing Engineer
Staff
Muhammad Amer, M.ASCE
Director, Transportation & Development Institute (T&DI) of ASCE
Debi Denney
Manager, Transportation & Development Institute (T&DI) of ASCE
Rachel Hobbs
Administrator, T&DI and Construction Institute (CI) Conferences
Neal Sweeney
Coordinator, Transportation & Development Institute (T&DI) of ASCE
Donna Dickert
Senior Manager / Acquisitions Editor, ASCE Books
Drew Caracciolo
Manager, Exhibit & Sponsorship Sales, ASCE
© ASCE
International Conference on Transportation and Development 2018
Contents
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Transportation Planning and Sustainability
Ride Quality for Bicycle Paths under Different Pavement Conditions ................................... 1
Zain Ul-Abdin, Hans De Backer, Pieter De Winne,
and Sarmad Zaman Rajper
Economic Assessment of the Use of Renewable Fuels in a Passenger Car.............................. 9
J. Rimbon, D. Hechler, W. Fichtner, and F. Schultmann
Study on Pedestrian Road Crossing Compliance at High Pedestrian
Crash Locations of Anchorage, Alaska .................................................................................. 19
Osama A. Abaza, Mahmoud Arafat, and Tanay Datta Chowdhury
Pedestrian Perception in Pathway Facilities Improvement ................................................... 30
A. Kusuma, T. Tjahjono, and D. G. Arisyi
Effect of Land Use Developments on Travel Time Reliability .............................................. 39
Ajinkya S. Mane and Srinivas S. Pulugurtha
Transportation Art: From Aesthetic Values to Operational Functions ................................ 48
Tahrima Alam and Aly M. Tawfik
Lessons Learned from Modeling the Evacuation of a Suburban
University Campus .................................................................................................................. 59
Ryan N. Fries, Karna Ghale, Bryan Dirks, and Yan Qi
Inference of Pattern Variation of Taxi Ridership Using Deep Learning
Methods: A Case Study of New York City ............................................................................. 71
Shirin Najafabadi and Mahdieh Allahviranloo
Effectiveness Assessment of Transportation Cost Estimation and Cost
Management Workforce Educational Training for Complex Projects ................................. 82
Sharareh Kermanshachi, Stuart Anderson, Keith R. Molenaar,
and Cliff Schexnayder
Employment Subcenters, Polycentricity, and Travel Behavior:
The Tale of Two Cities in the U.S. .......................................................................................... 94
Arefeh Nasri and Lei Zhang
Predictive Modeling of U.S. Transportation Workforce Diversity
Trends: A Study of Human Capital Recruitment and Retention in
Complex Environments ........................................................................................................ 105
Sharareh Kermanshachi and Hessam Sadatsafavi
© ASCE
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International Conference on Transportation and Development 2018
Empirical Research of Business Model of Electric Vehicle Charging
Infrastructures in Semi-Public Areas ................................................................................... 115
Na Wang, Bo Zhang, and Cheng Wang
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Traveler Behavior Analysis Based on Car2Go Sharing Operation Data ............................ 126
Weibin Zhang, Yuhang Song, Yong Qi, Qianmu Li, and Minglei Shen
Activity-Based Travel Demand Modeling: Progress and Possibilities ................................ 138
Mohammad Hesam Hafezi, Hugh Millward, and Lei Liu
Place-Based Space-Time Accessibility Measures Considering Travel
Time Reliability ..................................................................................................................... 148
Zhongyi Wu, Bi Yu Chen, and William H. K. Lam
A Financial Model to Estimate Annual Payments Required under
Output- and Performance-Based Road Contracts ............................................................... 159
G. Mladenovic and C. Queiroz
Housing Location and Commuting Mode Choices of University Students
and Employees: An Application of Bivariate Probit Models ............................................... 168
Naznin Sultana Daisy, Mohammad Hesam Hafezi, Lei Liu,
and Hugh Millward
The Role of Modern Ports in the National Economic Development:
An Application to Iran and the Port of Bandar Abbas........................................................ 180
Marzieh Nazemzadeh and Cesar Queiroz
Investigating Customer Satisfaction Patterns in a Community Livability
Context: An Efficiency-Oriented Decision-Making Approach............................................ 191
Golnaz Sarram and Stephanie S. Ivey
Screening Test for Improved Calcium Chloride Deicer Resistance in
Pervious Concrete ................................................................................................................. 202
L. Haselbach, T. Sendele, and Q. Langfitt
Undergraduate Courses and Senior Year Track on Sustainability in
Civil Engineering................................................................................................................... 213
Panos D. Prevedouros, Lambros Mitropoulos, and Guohui Zhang
Resilience of Underground Transportation Infrastructure in Coastal
Regions: A Case Study .......................................................................................................... 223
Edwin Martinez, Jose Hernandez, Tonatiuh Rodriguez-Nikl,
and Mehran Mazari
Evaluating the Feasibility of Imposing Restriction on the Use of Older
Vehicles .................................................................................................................................. 231
Praveena Penmetsa, Srinivas S. Pulugurtha, and Venkata R. Duddu
© ASCE
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Developing Static and Dynamic Multimodal Transportation System
Models to Estimate Individual Commuter Footprints Using ArcGIS,
Google Maps, and Here 360 .................................................................................................. 242
Annemarie Schwanz, Aly M. Tawfik, Moatassem Abdallah,
and Caroline M. Clevenger
A GIS-Based Traffic Noise Model for Street Intersections ................................................. 253
Rebekah M. Brechmann and Aly M. Tawfik
Analyzing Implementation of Greenhouse Gas Emissions Reduction
Tools and Systems on Businesses and Employees ................................................................ 265
Shahryar Monghasemi, Moatassem Abdallah, Aly Tawfik,
and Caroline Clevenger
Geostatistical Analysis of Mobile Source Emissions: A South Carolina
Case Study ............................................................................................................................. 277
Afshin Famili, Wayne A. Sarasua, Jennifer H. Ogle, and Alireza Shams
Fuel Consumption and Greenhouse Gas Emissions from On-Road
Vehicles on Highway Construction Work Zones ................................................................. 288
C. Kim, M. Ostovar, A. A. Butt, and J. T. Harvey
A Conceptual Framework for Urban Metabolism of Hardscapes ...................................... 299
A. A. Butt, J. T. Harvey, A. Saboori, M. Ostovar, and A. Kendall
Infrastructure Systems
Application and Development of Systems Engineering in Road Traffic
Management .......................................................................................................................... 306
Guangping Liu and Runping Zhai
Evaluating the Feasibility of Using Soil-Moisture Active Passive Satellite
Data to Evaluate Resilience of Transportation Infrastructures .......................................... 314
Simon Packman, Sonya Lopez, and Mehran Mazari
A Survey Analysis of Built Environment Professionals’ Perceptions
about Ghana’s Infrastructure............................................................................................... 325
Sam Owusu-Ababio and Kofi B. Acheampong
Making a Case for Better Models and Information Sharing of the
Transportation Impacts around Points of Dispensing during a Biological
Event ...................................................................................................................................... 336
R. M. Chiquoine, S. McNeil, E. E. Lee II, S. Thompson-Graves,
A. Tracy, and L. Li
Increasing Concrete Magnetic Permeability with the Addition of Soft
Iron Powder and Stainless-Steel Fiber Inclusions ............................................................... 345
Kyle A. T. Edwards and Nicholas A. Brake
© ASCE
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International Conference on Transportation and Development 2018
Effects of a Moving Load on a Nonhomogeneous Bridge Beam .......................................... 353
M. S. Al Mutairi, L. Stankowski, C. Rodriguez Rodrigo, and M. Gei
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A Framework for Developing a New Tool for Contract Time
Determination System ........................................................................................................... 363
M. Abdel-Raheem, C. Torres-Cantu, A. Neira, and X. Wang
Initial Assessment of the Current Contract Time Determination
Systems Used by TxDOT ...................................................................................................... 373
M. Abdel-Raheem, A. Neira, C. Torres-Cantu, and X. Wang
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International Conference on Transportation and Development 2018
Ride Quality for Bicycle Paths under Different Pavement Conditions
Zain Ul-Abdin1; Hans De Backer2; Pieter De Winne3; and Sarmad Zaman Rajper4
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1
Doctoral Student, Dept. of Civil Engineering, Ghent Univ., Technologiepark 904, Zwijnaarde
BE-9050. E-mail:
[email protected]
2
Professor, Dept. of Civil Engineering, Ghent Univ., Technologiepark 904, Zwijnaarde BE-9050.
E-mail:
[email protected]
3
Visiting Professor, Dept. of Civil Engineering, Ghent Univ., Technologiepark 904, Zwijnaarde
BE-9050. E-mail:
[email protected]
4
Doctoral Student, Dept. of General Economics, Ghent Univ., Tweekerkenstraat 2, Gent BE9000. E-mail:
[email protected]
ABSTRACT
Ride quality under different pavement conditions is considered critical for adoption and
modal shift for bicycle users. Vertical vibration and road roughness values have severe impact on
user perception and ride quality. Ride quality depends upon subjective ratings of pavement
conditions and quantitative values for surface conditions. Bicycle use in Flanders, Belgium, is
considered prominent. In order to stimulate bicycle adoption, governments consider different
policy measures. But those policy measures remain insignificant if the user comfort levels are
not determined for the current infrastructure. Subjective ratings were collected from 40 different
bicycling sections of Flemish cycling infrastructure. The survey reveals critical information
regarding bicyclists and surface conditions. Regression models were developed, predicting the
comfort level for riding on Flemish bicycle paths. The results reveal good correlation between
the evenness coefficient, the roughness, and the subjective ratings for bicycle users under
different pavement conditions, i.e., asphalt, concrete, and block pavements. This comfort rating
system can be used by transportation planners and government officials. Based on the developed
rating system, transportation professionals can determine the comfort levels of different
pavement conditions for bicycle paths.
INTRODUCTION
Currently, worldwide problems of traffic congestion and carbon emissions persist which
ultimately affects human mobility in general. These problems yield negative outcomes on the
environment, public heath, economic cost and medical health outcome. Literature suggests that
automobile pollution leads to increased costs of $120 billion and adding 56 billion pounds CO 2
emissions which adds more than $1 trillion towards societal costs (Schrank, Eisele et al. 2012).
Therefore, policy makers are focusing on active mobility options i.e. walking, cycling and use of
public transportation. Bicycle adoption as daily mobility option is influenced by psychological
factors, and number of factors i.e. location, employer, income etc.
An example of the promotion of bicycle use was a change in US taxation law, which gives
freedom to employers to reimburse bicycle-related expenses for cyclist commuters. Separate
cycle lanes in U.S i.e. Portland and Davis give stimuli to bicycle use. Whereas in the
Netherlands, which has the highest bicycle use in the world offers tax benefits up-to €749 for
bicycle commuters. Active mobility options are associated with higher mental and physical
wellness. It is evident in literature that pupils who commute with bicycle are associated with
lower levels of stress (Avila-Palencia, Cole-Hunter et al. 2015). Policy makers also put emphasis
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International Conference on Transportation and Development 2018
on the modal shift for work, education and recreational activities. A study by Hamilton and
Wichman (2017) reveals that there was a 4% reduction in traffic congestion leading to a $1.28
million reduction for C02 induced costs. Due to presence of bicycle sharing programs, ultimately
transforming $24 million in private and $850,000 for public benefits in United States.
Ride quality of bicycle paths is considered a product of multiple parameters such as surface
material, adopted construction techniques, weather, volume, curvature, width and flow. A
smooth and safe feeling to a cyclist can yield a comfortable riding experience. For improving the
ride quality experience of bicycle paths, five elements must be emphasized such as continuity,
directness, safety, comfort and attractiveness.
For an increased adoption, the modal shift towards bicycle use, safety and comfort remain the
most significant elements. Quality of bicycle paths has a direct relation with perception of
cyclists. This quality remains dependent upon surface materials and perception of safety. The
surface quality is also dependent on multiple factors, i.e. longitudinal evenness, vertical
acceleration, and type of construction technique adopted. To the best knowledge of the authors,
current ride quality rating systems i.e. PCI, PSI, DCI evaluate a longitudinal surface based on
roughness (objective rating) but do not contain subjective ratings (personal/psychological/real
feel). Moreover, there is no such rating for the different surfaces of bicycle paths. To be noted is
that a subjective rating is dependent on multiple factors i.e. geometry, volume, flow and not only
on longitudinal evenness.
This manuscript advocates developing regression models which show a relation between
longitudinal evenness (objective) and subjective ratings of various bicyclists on different
surfaces. The subjective ratings were obtained by conducting a questionnaire survey on
individual bicyclists. Moreover, the questionnaire survey contains detailed responses based on
demographics, subjective feelings of pavement condition, and previous experience of accidents
on bicycle paths. This manuscript will address validating objective ratings (longitudinal
evenness) with subjective values (as perceived by user) as per real world conditions.
METHODOLOGY
The data was collected from 40 different bicycle paths from Flemish road infrastructure. The
collected dataset contained the evenness coefficient values (CP) at both 0.5 and 2.5 wavelengths
as suggested by Gorski (1982) through a dynamic profilometer. Those bicycle paths were in 2
provinces of Belgium namely East and West Flanders having block lengths of 25m. The
collected datasets were provided by Agentschap Wegen en Verkeer (AWV). AWV, is a local
agency for roads and traffic. Later every section was inspected in person and notable jerks were
noted with respective benchmarks. At the end, survey questionnaires were conducted on more
than 350 bicyclists. The collected datasets were further analyzed statistically, normality tests,
outlier detection and descriptive tests were done first. An outlier is a value in a dataset which
shows abnormality towards normal values. Later, regression models were developed, KruskalWallis rank based nonparametric tests and Pearson Chi-square test were conducted on the
questionnaire surveys.
Here in this manuscript polynomial regression was used since the relationship between
dependent and independent variables was found to be curvilinear. The order of the polynomial
was selected by the forward selection procedure, until the t-test was found to be non-significant.
Polynomial regression models were used due to the factor of ill-conditioning, since assuming all
independent variables are not independent and hence produce multi-collinearity. Ultimately,
comparison with previous order of models, was found to be the best fit.
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