Michigan Traffic Lab

University of Michigan

The Director of Michigan Traffic Lab, Dr. Henry Liu, is a Professor in the Department of Civil and Environmental Engineering at the University of Michigan, Ann Arbor. He is also a Research Professor at the University of Michigan Transportation Research Institute and the Director for the Center for Connected and Automated Transportation (USDOT Region 5 University Transportation Center). From July 2017 to August 2019, he took a leave of absence from the University of Michigan and served as Chief Scientist on Smart Transportation for DiDi Chuxing in China, one of the largest mobility service providers in the world. While he was with DiDi, he established and led the Urban Transportation Business Unit. Dr. Liu received his Ph.D. degree in Civil and Environmental Engineering from the University of Wisconsin at Madison in 2000 and his Bachelor degree in Automotive Engineering from Tsinghua University (China) in 1993. Dr. Liu’s research interests focus on transportation network monitoring, modeling, and control, as well as mobility and safety applications with connected and automated vehicles. On these topics, he has published more than 100 refereed journal articles. Dr. Liu is the managing editor of Journal of Intelligent Transportation Systems and an editor of Transportation Research Part C.


A webinar of Scenario Generation Toolbox for Accelerating AV Development and Validation at the American Center for Mobility (ACM) was hosted by ACM.

Learn about the SAFE Test, implemented at the American Center for Mobility (ACM)


The Center for Connected and Automated Transportation hosted the 4th Global Symposium online.


Congratulations! Dr. Ed Huang won the best paper award (Runner-up) for the Network and Distributed System Security Symposium (NDSS) 2021, "Impact Evaluation of Falsified Data Attacks on Connected Vehicle Based Traffic Signal Control Systems."


A research paper from CCAT Director, Prof. Henry Liu, has been published and chosen as a featured article in the scientific journal, Nature Communications. It proposes a naturalistic and adversarial driving environment (NADE) that will drastically improve the efficiency of autonomous vehicle testing and evaluation.

Media Coverage

News from Center for Connected and Automated Transportation

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01/19/2021 The Virtual Annual Reception Hosted by UMTRI/CCAT at TBB2021 Annual Meeting

This year's event went virtual and was kicked off with remarks from Dr. Jim Sayer and Prof. Henry Liu.

Seven papers from MTL were presented at the 2021 TRB Annual Meeting. The full list of the paper can be viewed here.


Congratulations! Dr. Yan Zhao won the Chinese Overseas Transportation Association (COTA) Best Dissertation Award 2019-2020 in the area of Technology and Science for his Ph.D. dissertation titled Traffic State Estimation Using Probe Vehicle Data.


WASHINGTON – The U.S. Department of Transportation’s Federal Highway Administration (FHWA) today awarded a $9.95 million Advanced Transportation and Congestion Management Technologies Deployment (ATCMTD) grant to the University of Michigan for the Smart Intersections: Paving the Way for a National CAV Deployment Project. Prof. Henry Liu is the PI for this project.

Media Coverage

News from Senator Stabenow

News from Traffic Technology Today

News from Michigan Engineering

News from the University Record

News from Detroit's ABC station

News from CEE Department U of M

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