Faculty Numan Ahmad

Numan Ahmad

HoD Research
  • National Institute of Transportation
  • 0923568590
Summary

Academic Background
PhD (Transportation Engineering) University of Tennessee - Knoxville September 02, 2019 - December 10, 2021
Honours and Awards
Publications
Exploring the influence of rider age and experience on motorcycle crash risk: Evidence from a case-control study February 11, 2025 Journal of Transportation Safety and Security -
The role of human errors and violations in pedestrian-related crashes: Harnessing a unique database and accounting for heterogeneity February 11, 2025 Journal of Safety Research - Volume:91, Page:136-149
Understanding the role of driver behaviors and performance in safety-critical events: Application of machine learning February 11, 2025 Journal of Transportation Safety & Security - Pages: 40
Feasibility of utilizing recycled concrete aggregate blended with waste tire rubber and drywall waste as pavement subbase material February 11, 2025 Journal of Material Cycles and Waste Management - Pages:16
On the need to address fixed-parameter issues before applying random parameters: A simulation-based study February 11, 2025 Analytic Methods in Accident Research - Volume 41, Article Number 100314
Exploring the Effect of Visibility Factors on Vehicle–Pedestrian Crash Injury Severity February 11, 2025 Transportation Research Record - Volume 2677, Issue 11, Pages 24-35
How is the duration of distraction related to safety–critical events? Harnessing naturalistic driving data to explore the role of driving instability February 11, 2025 Journal of Safety Research - Volume 85, Pages 15-30
Exposure of road users to the traffic noise in urban environment: insights from a mega metropolitan city February 11, 2025 International Journal of Environmental Science and Technology - Pages 1-10
Copula-based bivariate count data regression models for simultaneous estimation of crash counts based on severity and number of vehicles February 11, 2025 Accident Analysis and Prevention - Volume 181, Article Number 106928
Heterogeneous ensemble learning for enhanced crash forecasts – A frequentist and machine learning based stacking framework February 11, 2025 Journal of Safety Research - Volume 84, Pages 418-434
Exploring pathways from driving errors and violations to crashes: The role of instability in driving February 11, 2025 Accident Analysis and Prevention - Volume 179, Article Number 106876
Toward better measurement of traffic injuries – Comparison of anatomical injury measures in predicting the clinical outcomes in motorcycle crashes February 11, 2025 Journal of Safety Research - Volume 80, Pages 175-189
Understanding how relationships between crash frequency and correlates vary for multilane rural highways: Estimating geographically and temporally weighted regression models February 11, 2025 Accident Analysis and Prevention - Volume 157, Article Number 106146
Built environment, driving errors and violations, and crashes in naturalistic driving environment February 11, 2025 Accident Analysis and Prevention - Volume 157, Article Number 106158
A taxonomy of driving errors and violations: Evidence from the naturalistic driving study February 11, 2025 Accident Analysis and Prevention - Volume 151, Article Number 105873
Injury severity analysis of pedestrian and bicyclist trespassing crashes at non-crossings: A hybrid predictive text analytics and heterogeneity-based statistical modeling approach February 11, 2025 Accident Analysis and Prevention - Volume 150, Article Number 105835
Is Effective Enforcement of Seatbelt Law Helpful in Reduction of Road Crash Fatalities: An Exploratory Empirical Analysis using Aggregate Data February 11, 2025 Proceedings of the Pakistan Academy of Sciences: Pakistan Academy of Sciences A: Physical and Computational Sciences - Volume 56(4), Pages 31-41
Examining correlations between motorcyclist's conspicuity, apparel related factors and injury severity score: Evidence from new motorcycle crash causation study February 11, 2025 Accident Analysis and Prevention - Volume 131, Pages 45-62
An ordered-probit analysis of enforcement of road speed limits February 11, 2025 Proceedings of the Institution of Civil Engineers - Transport - Volume 171, Issue 4, Pages 225-234
Pedestrian's exposure to road traffic crashes in urban environment: A case study of Peshawar, Pakistan February 11, 2025 Journal of the Pakistan Medical Association - Volume 68, Issue 4, Pages 615 - 623
Conferences
Exploring the Associations of Rider Age and Experience on Motorcycle Injury Crash Risk: Evidence from A Case-Control Study January 07, 2024 - January 11, 2024 Muhammad Adeel, Numan Ahmad, Behram Wali, Asad Khattak, Transportation Research Board
Modeling Injury Severity Score as a More Precise Measure of Motorcyclist Injuries: A Correlated Random Parameter Corner Solution Framework January 13, 2023 - January 17, 2023 Behram Wali, Asad Khattak, Numan Ahmad, Transportation Research Board
Copula-Based Bivariate Count Data Regression Models for Simultaneous Estimation of Crash Counts Based on Severity and Number of Vehicles January 08, 2023 - January 12, 2023 Numan Ahmad, Vikash V. Gayah, Eric Donnell, Transportation Research Board
Strategies for Reducing Motorcyclist Injuries in Tennessee: Relevance of Evidence-Based Countermeasures that Work January 08, 2023 - January 12, 2023 Steve Lee, Numan Ahmad, Jerry Everett, Asad J. Khattak, Transportation Research Board
Rigorous Simulation-Based Statistical Analysis to Compare Fixed and Random Parameter Count Data Models: Examining the Contribution of Independent Variables vis-à-vis Random Parameters January 08, 2023 - January 12, 2023 Numan Ahmad, Tanmoy Bhowmik, Vikash V. Gayah, Naveen Eluru, Transportation Research Board
Predicting Safety-Critical Events Using Driver Behaviors and Performance: Application of Machine Learning January 08, 2023 - January 12, 2023 Numan Ahmad, Asad J. Khattak, Hamparsum Bozdogan, Transportation Research Board
How is the duration of distraction related to safety-critical events? Harnessing naturalistic driving data to explore the role of driving instability January 09, 2022 - January 13, 2022 Numan Ahmad, Ramin Arvin, Asad Khattak, Transportation Research Board
A Hybrid Text Analytics and Heterogeneity-Based Statistical Modeling Approach for Analysis of Trespassing Crashes at Non-Crossings Involving Vulnerable Users January 09, 2022 - January 13, 2022 Behram Wali, Asad Khattak, Numan Ahmad, Transportation Research Board
Adoption of Electric Vehicles: Is the Commercial Transportation Sector Interested? January 09, 2022 - January 13, 2022 Steve Lee, Numan Ahmad, Asad Khattak, Transportation Research Board
How Many Electric Vehicle Owners Will Repurchase a Similar Vehicle? January 09, 2022 - January 13, 2022 Steve Lee, Numan Ahmad, Sanghoon Son, Asad J. Khattak, Transportation Research Board
Heterogeneous Ensemble Learning for Enhanced Crash Forecasts – A Frequentist and Machine Learning based Stacking Framework January 09, 2022 - January 13, 2022 Numan Ahmad, Behram Wali, Asad Khattak, Transportation Research Board
EXPLORING EFFECT OF VISIBILITY FACTORS ON VEHICLE-PEDESTRIAN CRASH INJURY SEVERITY January 09, 2022 - January 13, 2022 Laura M. Harris, Numan Ahmad, Asad Khattak, Subhadeep Chakraborty, Transportation Research Board
Heterogeneity in Naturalistic Driving Errors, Violations, and Crash Risk in Diverse Environmental Context January 25, 2021 - January 29, 2021 Asad Khattak, Numan Ahmad, Behram Wali, Transportation Research Board
Exploring Pathways from Driving Errors and Violations to Crashes: The Role of Speed Volatility January 25, 2021 - January 29, 2021 Numan Ahmad, Ramin Arvin, Asad Khattak, Transportation Research Board
Towards Better Measurement of Traffic Injuries – Comparison of Anatomical Injury Measures in Predicting Poor Clinical Outcomes in Motorcycle Crashes January 12, 2020 - January 16, 2020 Behram Wali, Numan Ahmad, Asad Khattak, Transportation Research Board
Consumer Preferences for Automation, Electrification, and Car-Sharing January 12, 2020 - January 16, 2020 Asad Khattak, Numan Ahmad, Behram Wali, Transportation Research Board
Developing Safety Performance Functions for Rural Multilane Highways in Tennessee: Accounting for Unobserved Heterogeneity January 12, 2020 - January 16, 2020 Behram Wali, Numan Ahmad, Asad Khattak, Amin Mohammadnazar, Transportation Research Board
Application of geographically and temporally weighted regression models for estimating Safety Performance Functions of multilane rural highways in Tennessee January 12, 2020 - January 16, 2020 Amin Mohammadnazar, Numan Ahmad, Iman Mahdinia, Asad J. Khattak, Transportation Research Board
The Proclivity of Commercial Transportation Sector to Adopt Alternative Fuel Vehicles in the Future: Application of Machine Learning Methods January 12, 2020 - January 16, 2020 Numan Ahmad, Behram Wali, Asad Khattak, Transportation Research Board
A Taxonomy of Naturalistic Driving Errors and Violations and Its Variations Across Different Land-Use Contexts – A Path Analysis Approach January 13, 2019 - January 17, 2019 Asad Khattak, Behram Wali, Numan Ahmad, Transportation Research Board
A Heterogeneity Based Case-Control Analysis of Motorcyclist’s Injury Crashes: Evidence from Motorcycle Crash Causation Study January 13, 2019 - January 17, 2019 Behram Wali, Asad Khattak, Aemal J. Khattak, Numan Ahmad, Transportation Research Board
Postdoctoral Scholar Larson Transportation Institute (LTI) December 13, 2021 - October 24, 2022
Graduate Teaching Assistant Department of Civil and Environmental Engineering, University of Tennessee January 04, 2021 - December 10, 2021
Graduate Teaching Assistant Department of Civil and Environmental Engineering, University of Tennessee August 26, 2019 - May 29, 2020
Graduate Research Assistant Department of Civil and Environmental Engineering, University of Tennessee January 01, 2018 - December 10, 2021
Highway Engineer Transport Planning and Traffic Engineering Unit, Peshawar November 04, 2016 - December 15, 2017
Lecturer School of Engineering and Applied Sciences June 30, 2014 - January 29, 2016