Our Work

The THINK (Transportation-Human Interaction-and-Network Knowledge) Lab studies the sustainability and resilience of a city through the lens of human beings interacting with the physical environment. We generate new knowledge and insights for use in city planning, infrastructure development and policy design. Our research results facilitate real-time disaster response and recovery efforts. Our work is highly interdisciplinary, drawing on the latest methods and ideas in disciplines from social and natural sciences to engineering.

High and Low Tech

We integrate high and low tech, recognizing that all means (methods) are needed

Transdisciplinary

We integrate and transform knowledge from disciplinaries from engineering to science

Problem-driven

Our work is motivated from real-world problems whose solutions will have significant impacts on society

Rooted in Science

Our approach to problems is rooted in science. We generate basic knowledge and tools for use in practice

About Us

We are a group of likely-minded people who got together and work hard for making an impact in science and practice. We share a passion for scientific discoveries and a commitment of making a real difference in this world.

Contact us

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Cynthia Chen, Ph.D.

Cynthia Chen, Ph.D.

Director

Cynthia Chen is a Professor in Civil and Environmental Engineering at UW. Dr. Chen is an internationally-reknown transportation scholar. THINK lab centers around three inter-connected themes: travel behavior (aka human mobility) analysis, resilient infrastructures, and their intersections. Cynthia Chen received her Ph.D. in civil and environmental engineering from the University of California, Davis in 2001. Prior to joining UW, she taught for six years from 2003 to 2009 in the City College of New York as an assistant professor. ​Between 2017 and 2019, she served as a Program Director of the Civil Infrastructure Systems (CIS) Program in the Civil, Mechanical and Manufacturing Innovation (CMMI) Division of the Engineering (ENG) Directorate of National Science Foundation (NSF).

Xiangyang Guan, Ph.D.

Xiangyang Guan, Ph.D.

Honorary THINK LAB member

Dr. Guan is a transportation modeler with WSP in Atlanta and is an honorary member of the THINK lab. He earned his Ph.D. in civil engineering from the University of Washington and is now a postdoc researcher. He earned his bachelor’s degree in transportation engineering from Tongji University in Shanghai, China. He came to the University of Washington as a master student in 2011 and joined THINK Lab in 2013. Dr. Guan’s research interests involve resilience of infrastructure systems, social media data mining, and modeling the complex dynamics in interdependent infrastructure networks.

Grace Jia

Grace Jia

PhD Student and Researcher

Grace Jia received her bachelor’s degree from University of California, Los Angeles in civil engineering, and a master’s degree from University of California, Berkeley in transportation engineering. Grace joined the THINK lab as a Ph.D. student in September 2020. Grace’s research interests include spatial heterogeneity in disease spreading, within-city mixing patterns, and transportation big data.

Ekin Ugurel

Ekin Ugurel

PhD Student and Researcher

Ekin received his bachelor’s in civil engineering from the University of Texas at Austin in May 2021. He is pursuing a Ph.D. under the supervision of Prof. Cynthia Chen. His research interests lie in assessing the extent to which sustainable infrastructure can improve community resilience, innovating policy tools to maintain transportation network resiliency, and using novel modeling tools to better understand transportation networks. 

Kaitlyn Ng

Kaitlyn Ng

MS Student and Researcher

Kaitlyn Ng received her bachelor’s in civil engineering from the University of Texas at Austin. She joined THINK Lab in September 2022 and is pursuing her master’s degree in transportation engineering. Her research interests lie in equitable transportation planning and impacts on policymaking which include topics such as food access and quantifying human behavior.

Kittibhum Tasanasuwan

Kittibhum Tasanasuwan

MS student and researcher

Kittibhum received his Bachelor’s in Civil engineering from the Royal Thai Air Force Academy, Thailand, in December 2020. He is currently a MS student in Civil Engineering (thesis-track). He joined  THINK lab at UW in September 2022. His research interest is sustainable transportation as well as the policies that make it really happen.
Arsalan Esmaeili

Arsalan Esmaeili

PhD student and researcher

Arsalan is currently a Ph.D. student at the Civil and Environmental Engineering (CEE) Department of the University of Washington. He received his Bachelor’s in Civil Engineering and his Master’s in Transportation Engineering both from the University of Tehran. His master’s thesis focused on traffic safety. Arsalan joined the THINK lab in January 2023, and his research interests are Big Data Analytics, Artificial Intelligence, and Machine Learning.

Zhengyang Li

Zhengyang Li

Visiting PhD student

Zhengyang received a bachelor’s degree in railway transportation and a master’s degree in transportation planning and management from Southwest Jiaotong University in Chengdu, China. He is currently pursuing a Ph.D. at the Hong Kong Polytechnic University. Zhengyang joined the THINK lab as a visiting Ph.D. student in March 2023. His research interests involve transportation network modeling, public transport operation, and modeling resilience in communities.

Previous THINK lab Members

PhD or MS students advised by Dr. Cynthia Chen (as chair)

Name                           Degree earned/position              Year                      Thesis title

Cristina Cano-Calhoun   MS                                             2019-2021            Community and agency perspectives on local self-reliance in disasters

Joanne Lin                  MS                                                    2020-2022           Socio-economic and spatial disparity of bus ridership impacts in King County, Washington, During COVID-19

Ian Ren                         MS                                                   2019-2021             Building Reproducible Workflows using Transportation Data and COVID data (co-advised with Ka Yee Yeung of Computer Science)

Katherine Idziorek       PhD                                                 2016-2021             Social networks and disaster preparedness at the community level: the role of social ties and social infrastructure in connecting people with essential resources (co-advised with Dan Abramson of Urban Design and Planning); currently assistant professor at UNC-Charlotte

Yuanjie Tu                    PhD student                                   2019-2020            

Xi Zhu                           Ph.D.                                               2017-2020             Individual preference learning with collaborative learning framework (co-advised with Dr. Shuai Huang of Industrial Systems and Engineering)

Feilong Wang               PhD student                                   2016-2020            

Xiangyang Guan           Ph.D                                                2013-2018             A general methodology for inferring failure propagation process from post-disaster disruptions data

Wang, Menglin             Ph.D.                                               2010-2014             Understanding time of day variations in human mobility patterns

Chen, Li                        Ph.D.                                               2007-2012             Multi-level modeling of the effectiveness of traffic calming measures

Lin, Haiyun                   Ph.D.                                               2007-2012             Understanding housing search and residential location choices

Chen, Jason                  Ph.D.                                               2004-2009             Residential relocation choices and the consequent behavioral changes

Rochelle Starrette        M.S                                                  2016-2018             Identification of Urban Scaling Behavior for Transportation Mode Share

Zhu, Xi                          M.S.                                                 2014-2016             The built environment affects non-motorized travel behaviors differently for lower- and higher-income people

Guan, Xiangyang          M.S.                                                 2011-2013             Using social media tools to assess Sandy-related damages

Murphy, John               M.S.                                                 2010-2012             Under what circumstances is walking a better choice than taking a bus

Ottosson, Dadi             M.S.                                                 2010-2012             Elasticity of on-street parking demand in response to parking meter increases in Seattle, WA

Wang, Tingting             M.S.                                                 2009-2010             Attitudes, Built Environment and Travel Behavior

Li, Wei                           M.S.                                                 2008-2009             Accessibility in Time and Space

Varley, Don                   M.S.                                                 2007-2009             Understanding the effects of gasoline price, GDP and population on ridership

Sit, Eugene                   M.S.                                                 2006-2008             Sensitivity analysis of the Best Practice Model (BPM)

Postdocs advised

Jae Hyun Lee                PostDoc                                          2016-2017            Researcher at Koren Transp. Institute

Peng Chen                    PostDoc                                          2015-2016             Assistant Professor at USF

Former visiting professors and students

Dr. Ni Dong is a visiting scholar and joint the group in Oct. 2018. She received her PhD degree from Central South University in 2016. She is now an assistant professor in Southwest
Jiaotong University and working on data-driven travel behavioral and safety risk analyses, most quantitatively, as means of addressing urban sustainability challenges.

Dr. Xiang Zhang, visiting Professor 2018-2019, Wuhan University. Dr. Xiang Zhang is an associate professor at School of Resource and Environmental Science, Wuhan University. He received his Ph.D. in Cartography and Geographic Information Science from University of Twente, Netherlands in 2012. His research interest includes integration, analysis and visualization of spatiotemporal data, volunteered geographic information (VGI) and computational spatial science. In his previous works, methods from computational geometry, pattern recognition, and machine learning were extended to tackle fundamental and applied problems in GIScience.

Dr. Pengyu Yan, visiting Professor 2016-2017, from School of Management and Economics at University of Electronic Science and Technology of China.

An-Tsu Chen. An-Tsu worked in THINKLAB from 2016 to 2017. He is currently a Ph.D. student in Economics at University of Washington.