Vikash Gayah

Affiliate Researcher
Titles and Affiliations
Professor, Civil and Environmental Engineering

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

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 journalArticlepeer-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 journalArticlepeer-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 journalArticlepeer-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 journalArticlepeer-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., 2024, (Accepted/In press) In: International Journal of Transportation Science and Technology.

Research output: Contribution to journalArticlepeer-review

Multi-Objective Optimization of Maintenance, Rehabilitation, and Reconstruction Decision Making Considering Safety

Lu, M., Guler, S. I. & Gayah, V. V., Jan 2024, In: Transportation Research Record. 2678, 1, p. 507-520 14 p.

Research output: Contribution to journalArticlepeer-review

Crash classification based on manner of collision: a comparative analysis

Mahmud, A., Sengupta, A. & Gayah, V. V., 2024, In: Transportation Letters. 16, 3, p. 207-217 11 p.

Research output: Contribution to journalArticlepeer-review

Estimation of VMT using heteroskedastic log-linear regression models

Mahmud, A., Hamilton, I., Gayah, V. V. & Porter, R. J., 2024, In: Transportation Letters. 16, 4, p. 320-329 10 p.

Research output: Contribution to journalArticlepeer-review

Local stability of traffic equilibria in an isotropic network

Pandey, A., Lehe, L. J. & Gayah, V. V., Jan 2024, In: Transportation Research Part B: Methodological. 179, 102873.

Research output: Contribution to journalArticlepeer-review

Do existing split failure metrics accurately reflect pedestrian operation at signalized intersections?

Runa, F., Guler, S. I. & Gayah, V. V., Mar 2024, In: International Journal of Transportation Science and Technology. 13, p. 270-283 14 p.

Research output: Contribution to journalArticlepeer-review

Integration of Pavement Roughness into Safety Performance Functions of Two-Lane Rural Roads in Pennsylvania

Wang, X., Gayah, V. V. & Guler, S. I., Jun 1 2024, In: Journal of Transportation Engineering Part B: Pavements. 150, 2, 04024016.

Research output: Contribution to journalArticlepeer-review

Evaluating the Effectiveness and Transferability of a Data-Driven Two-Region Perimeter Control Method Using Microsimulation

Zhou, D. & Gayah, V. V., 2024, (Accepted/In press) In: Transportation Research Record.

Research output: Contribution to journalArticlepeer-review

Copula-based bivariate count data regression models for simultaneous estimation of crash counts based on severity and number of vehicles

Ahmad, N., Gayah, V. V. & Donnell, E. T., Mar 2023, In: Accident Analysis and Prevention. 181, 106928.

Research output: Contribution to journalArticlepeer-review

A population-based incremental learning algorithm to identify optimal location of left-turn restrictions in urban grid networks

Bayrak, M., Yu, Z. & Gayah, V. V., 2023, In: Transportmetrica B. 11, 1, p. 528-547 20 p.

Research output: Contribution to journalArticlepeer-review

Decentralized arterial traffic signal optimization with connected vehicle information

Liang, X., Guler, S. I. & Gayah, V. V., 2023, In: Journal of Intelligent Transportation Systems: Technology, Planning, and Operations. 27, 2, p. 145-160 16 p.

Research output: Contribution to journalArticlepeer-review