ITS Publications - The Institute of Transportation Studies at UC Irvine

published journal article | July 14, 2026

published journal article | September 2023

Zhen Yang, Jun Ying, Junjie Shen, Yiheng Feng, Qi Alfred Chen, Z. Morley Mao and Henry X. Liu (2023) “Anomaly Detection Against GPS Spoofing Attacks on Connected and Autonomous Vehicles Using Learning From Demonstration”, IEEE Transactions on Intelligent Transportation Systems, 24(9), pp. 9462–9475.

published journal article | March 01, 2026

published journal article | September 2022

Yiheng Feng, Shihong Ed Huang, Wai Wong, Qi Alfred Chen, Z. Morley Mao and Henry X. Liu (2022) “On the Cybersecurity of Traffic Signal Control System With Connected Vehicles”, IEEE Transactions on Intelligent Transportation Systems, 23(9), pp. 16267–16279.

conference paper | April 16, 2026

conference paper | January 2022

Zhen Yang, Jun Ying, Junjie Shen, Yiheng Feng, Qi Chen, Z. Mao and Henry Liu (2022) “Anomaly Detection in Localization Module of Autonomous Vehicles Using Learning from Demonstration”. 101st Annual Meeting of the Transportation Research Board.

conference paper | December 31, 2025

conference paper | January 2021

Yiheng Feng, Shihong Huang, Wai Wong, Qi Alfred Chen, Morley Mao and Henry Liu (2021) “On the Cybersecurity of Traffic Signal Control System with Connected Vehicles”. 100th Transportation Research Board (TRB) Annual Meeting, Washington, DC.

conference paper | December 31, 2025

conference paper | January 2021

Shengtuo Hu, Qi Alfred Chen, Jiachen Sun, Yiheng Feng, Z. Morley Mao and Henry X. Liu (2021) “Automated Discovery of {Denial-of-Service} Vulnerabilities in Connected Vehicle Protocols”, in 30th USENIX Security Symposium (USENIX Security 21), pp. 3219–3236.

Preprint Journal Article | July 07, 2026

Preprint Journal Article | October 2020

Shihong Ed Huang, Wai Wong, Yiheng Feng, Qi Alfred Chen, Z. Morley Mao and Henry X. Liu (2020) “Impact Evaluation of Falsified Data Attacks on Connected Vehicle Based Traffic Signal Control”. arXiv.

conference paper | October 21, 2025

conference paper | January 2019

Wai Wong, Shihong Huang, Yiheng Feng, Qi Alfred Chen, Z. Morley Mao and Henry X. Liu (2019) “Trajectory-based hierarchical defense model to detect cyber-attacks on transportation infrastructure”, in Proceedings of the 98th annual meeting of the transportation research board, p. 5p.

published journal article | October 21, 2025

published journal article | March 2018

Yiheng Feng, Shihong Huang, Qi Alfred Chen, Henry X. Liu and Z. Morley Mao (2018) “Vulnerability of traffic control system under cyberattacks with falsified data”, Transportation Research Record, 2672(1), pp. 1–11.

conference paper | October 21, 2025

conference paper | January 2018

Qi Alfred Chen, Yucheng Yin, Yiheng Feng, Z. Morley Mao and Henry X. Liu (2018) “Exposing congestion attack on emerging connected vehicle based traffic signal control”, in Proceedings 2018 network and distributed system security symposium. Internet Society, p. 15p.

working paper | July 13, 2026

working paper | August 2009

Optimal Sensor Requirements

Lianyu Chu, Henry Liu

working paper | December 31, 2025

working paper | November 2008

Development of Hardware in the Loop Simulation and Paramics/VS-PLUS Integration

Henry Liu

published journal article | October 21, 2025

published journal article | May 2007

Henry X. Liu, Xiaozheng He and Will Recker (2007) “Estimation of the time-dependency of values of travel time and its reliability from loop detector data”, Transportation Research Part B: Methodological, 41(4), pp. 448–461.

working paper | December 31, 2025

working paper | January 2007

Development of an Integrated Microscopic Traffic Simulation and Signal Timing Optimization Tool

Yafeng Yin, Henry Liu, Jorge Laval

conference paper | July 17, 2026

conference paper | January 2006

Wilfred W. Recker, Henry X. Liu and Xiaozheng He (2006) “Estimation of the time-dependency of values of travel time and its reliability from loop detector data”, in Proceedings of the 85th annual meeting of the transportation research board, p. 27p.

research report | October 21, 2025

research report | September 2005

Will Recker, Younshik Chung, Jiyoung Park, Lesley Wang, Anthony Chen, Zhaowang Ji, Henry Liu, Matthew Horrocks and Jun-Seok Oh (2005) Considering Risk-Taking Behavior in Travel Time Reliability. Final Report UCB-ITS-PRR-2005-3. Institute of Transportation Studies, Irvine.

research report | April 07, 2026

research report | April 2005

Lianyu Chu, Henry Liu, Michael McNally and Will Recker (2005) Development of the Capability-Enhanced PARAMICS Simulation Environment. Final Report UCB-ITS-PRR-2005-12. Institute of Transportation Studies, Irvine, p. 102p.

research report | May 19, 2026

research report | April 2005

Henry Liu, Lianyu Chu and Will Recker (2005) Dynamic Path-Based Equilibrium Assignment With Microscopic Traffic Simulation. Final Report UCB-ITS-PRR-2005-13. Institute of Transportation Studies, Irvine, p. 17p.

conference paper | December 31, 2025

conference paper | January 2005

Henry X Liu, Wenteng Ma, R Jayakrishnan, Will Recker, Hx Liu, W Ma, R Jayakr-Ishnan and W Recker (2005) “Distributed large-scale network modeling with paramics implementation”, in Proceedings. 2005 IEEE intelligent transportation systems, 2005.. IEEE / Citeseer.

research report | July 14, 2026

research report | October 2004

Henry X. Liu, Wenteng Ma, R. Jayakrishnan and Will Recker (2004) Large-Scale Traffic Simulation Through Distributed Computing of Paramics. Final Report UCB-ITS-PRR-2004-42. Institute of Transportation Studies, Irvine.

published journal article | May 18, 2026

published journal article | July 2004

Henry X. Liu, Will Recker and Anthony Chen (2004) “Uncovering the contribution of travel time reliability to dynamic route choice using real-time loop data”, Transportation Research Part A: Policy and Practice, 38(6), pp. 435–453.