Research Summary
Dr. Gayah's research interests are in the areas of urban mobility, traffic flow theory, transportation operations, transportation network modeling, and transportation safety.
In the News
Research Keywords
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Projects
Recent Publications
A novel bi-level clustering optimization approach to balance treatment of crash data
Ahmed, T. & Gayah, V. V., Sep 2025, In: Accident Analysis and Prevention. 219, 108107.Research output: Contribution to journal › Article › peer-review
Quantifying the impacts of right-turn-on-red, exclusive turn lanes, and pedestrian movements on the efficiency of urban transportation networks
Liu, H., Xiong, Z. & Gayah, V. V., Mar 2025, In: International Journal of Transportation Science and Technology. 17, p. 52-66 15 p.Research output: Contribution to journal › Article › peer-review
Estimating the Expected Change in Safety for a Potential Application of Three Intelligent Transportation System Treatments
Persaud, B., Srinivasan, R., Gayah, V., Kersavage, K., Saleem, T., Hallmark, S. & Mohammadi, C., Feb 2025, In: Transportation Research Record. 2679, 2, p. 2054-2062 9 p.Research output: Contribution to journal › Article › peer-review
Applying model-based recursive partitioning to improve pedestrian exposure models to support transportation safety analyses
Wiegand, J. C. & Gayah, V. V., Jan 1 2025, In: Traffic Safety Research. 9, e000075.Research output: Contribution to journal › Article › peer-review
On the need to address fixed-parameter issues before applying random parameters: A simulation-based study
Ahmad, N., Bhowmik, T., Gayah, V. V. & Eluru, N., Mar 2024, In: Analytic Methods in Accident Research. 41, 100314.Research output: Contribution to journal › Article › peer-review
Crash modification factors of rumble strips on horizontal curves of two-lane rural roads: A propensity scores potential outcomes approach
Ahmed, T., Mahmud, A. & Gayah, V. V., Jan 2024, In: Accident Analysis and Prevention. 194, 107371.Research output: Contribution to journal › Article › peer-review
Identification of optimal locations of adaptive traffic signal control using heuristic methods
Ahmed, T., Liu, H. & Gayah, V. V., Mar 2024, In: International Journal of Transportation Science and Technology. 13, p. 122-136 15 p.Research output: Contribution to journal › Article › peer-review
OCC-MP: A Max-Pressure framework to prioritize transit and high occupancy vehicles
Ahmed, T., Liu, H. & Gayah, V. V., Sep 2024, In: Transportation Research Part C: Emerging Technologies. 166, 104795.Research output: Contribution to journal › Article › peer-review
An analytical model of many-to-one carpool system performance under cost-based detour limits
Dong, X., Liu, H. & Gayah, V. V., 2024, (Accepted/In press) In: International Journal of Transportation Science and Technology.Research output: Contribution to journal › Article › peer-review
Crash modification factors for high friction surface treatment on horizontal curves of two-lane highways: A combined propensity scores matching and empirical Bayes before-after approach
Gayah, V. V., Donnell, E. T. & Zhang, P., May 2024, In: Accident Analysis and Prevention. 199, 107536.Research output: Contribution to journal › Article › peer-review
Crash Modification Factors for High-Tension Cable Median Barriers: An Empirical Bayes Before–After Study
Gayah, V. V., Donnell, E. T., Liu, H. & Prajapati, A., Dec 2024, In: Transportation Research Record. 2678, 12, p. 1301-1315 15 p.Research output: Contribution to journal › Article › peer-review
Mitigating delay due to capacity drop near freeway bottlenecks: Zones of influence of connected vehicles
Jerath, K., Gayah, V. V. & Brennan, S. N., Jun 2024, In: PloS one. 19, 6 June, e0301188.Research output: Contribution to journal › Article › peer-review
A max pressure algorithm for traffic signals considering pedestrian queues
Liu, H., Gayah, V. V. & Levin, M. W., Dec 2024, In: Transportation Research Part C: Emerging Technologies. 169, 104865.Research output: Contribution to journal › Article › peer-review
N-MP: A network-state-based Max Pressure algorithm incorporating regional perimeter control
Liu, H. & Gayah, V. V., Nov 2024, In: Transportation Research Part C: Emerging Technologies. 168, 104725.Research output: Contribution to journal › Article › peer-review
Macroscopic Analysis of the Impacts of Shared Bikes on Traffic Safety
Lu, M., Gayah, V. V. & Ilgin Guler, S., Jul 2024, In: Transportation Research Record. 2678, 7, p. 740-758 19 p.Research output: Contribution to journal › Article › peer-review