Numan Ahmad

Assistant Professor
National Institute of Transportation
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About

Dr. Numan Ahmad is working as Assistant Professor in the National Institute of Transportation . Dr. Numan Ahmad has a PhD in Transportation Engineering . Dr. Numan Ahmad has published 43 research articles & conference papers having a citation count of 268 , carried out 0 projects and filed 0 intellectual property.

Research Tags

Application of statistical modeling and machine learning to transportation data Crash Frequency Analysis Driving Behavior Intelligent Transportation Systems Naturalistic driving studies Safety Performance Functions Smart Mobility Transportation Planning Transportation Safety Vulnerable road users

Research Projects

0

Industry Projects

0

Amount Granted

0.0 M

Publications

43

Citations

268

Intellectual Property

0
Publication Types
Project Types
Publications by Year
Projects by Year

Research Collaborators

Collaborator Image

Syed Kamran Hussain Shah

National Institute of Transportation
2 Collaborations
Collaborator Image

Anwar Ahmad

Military College of Engineering
1 Collaboration
Collaborator Image

Muhammad Jawed Iqbal

National Institute of Transportation
1 Collaboration

Education

PhD Transportation Engineering 2019- 2021
University of Tennessee - Knoxville , United States
MS Statistics and Data Science 2018- 2021
University of Tennessee - Knoxville , United States
MS Transportation Engineering 2013- 2016
NUST, Islamabad , Pakistan
B.Sc (Hon) Civil Engineering 2009- 2013
UET Peshawar , Pakistan

Experience

Assistant Professor 2022- Present
National Institute of Transportation , NUST
Postdoctoral Scholar 2021- 2022
Larson Transportation Institute (LTI) , Pennsylvania State University ,
Graduate Teaching Assistant 2021- 2021
Department of Civil and Environmental Engineering, University of Tennessee , University of Tennessee Knoxville ,
Graduate Teaching Assistant 2019- 2020
Department of Civil and Environmental Engineering, University of Tennessee , University of Tennessee Knoxville, U.S. ,
Graduate Research Assistant 2018- 2021
Department of Civil and Environmental Engineering, University of Tennessee , University of Tennessee Knoxville, U.S. ,
Highway Engineer 2016- 2017
Transport Planning and Traffic Engineering Unit, Peshawar , Transport and Mass Transit Department, Government of KPK Peshawar, Pakistan ,
Lecturer 2014- 2016
School of Engineering and Applied Sciences , SEAS, ISRA University Islamabad, Pakistan ,

Awards

Memberships

No project records found for this faculty member
21
Research Articles
22
Conference Proceedings
0
Books
0
Book Chapters
6
Editorial Activities
Understanding the role of driver behaviors and performance in safety-critical events: Application of machine learning 2024
Numan Ahmad
AS
Asad J. Khattak (The University of Tennessee)
HA
Hamparsum Bozdogan (The University of Tennessee)
Journal: Journal of Transportation Safety & Security, Pages: 40
Impact Factor: 2.4 Citations: 0 Quartile: 3
SDG 3 SDG 9
Exploring the Effect of Visibility Factors on Vehicle–Pedestrian Crash Injury Severity 2023
LA
Laura Harris (University of Tennessee)
Numan Ahmad
AS
Asad Khattak (University of Tennessee)
SU
Subhadeep Chakraborty (University of Tennessee)
Journal: Transportation Research Record, Volume 2677, Issue 11, Pages 24-35
Impact Factor: 1.7 Citations: 3 Quartile: 3
SDG 3 SDG 9
Empirical Analysis to Investigate the Factors Influencing the Installation of Recharging Infrastructure for Commercial Electric Fleet 2025
Numan Ahmad
ZI
Zia Ur Rehman
SA
Saad Ammar Shah
Syed Kamran Hussain Shah
Journal: Arabian Journal for Science and Engineering, Pages 1-15
Impact Factor: 2.600 Citations: 0 Quartile: 2
SDG 7 SDG 9 SDG 11 SDG 12 SDG 13
Exploring the influence of rider age and experience on motorcycle crash risk: Evidence from a case-control study 2025
MU
Muhammad Adeel (University of Tennessee)
Numan Ahmad
BE
Behram Wali (University of California)
AS
Asad J. Khattak (University of Tennessee)
Journal: Journal of Transportation Safety and Security,
Impact Factor: 2.4 Citations: 0 Quartile: 3
SDG 3 SDG 4
Exposure of road users to the traffic noise in urban environment: insights from a mega metropolitan city 2023
AF
Afzal Ahmed (NED University of Engineering and Technology)
FA
Farah Khan (NED University of Engineering and Technology)
MU
Muhammad Ahmed (NED University of Engineering and Technology)
MU
Muhammad Ali Ismail (NED University of Engineering and Technology)
Numan Ahmad
Journal: International Journal of Environmental Science and Technology, Pages 1-10
Impact Factor: 3.1 Citations: 0 Quartile: 3
SDG 3 SDG 9
How is the duration of distraction related to safety–critical events? Harnessing naturalistic driving data to explore the role of driving instability 2023
Numan Ahmad
RA
Ramin Arvin (University of Tennessee)
AS
Asad J. Khattak (University of Tennessee)
Journal: Journal of Safety Research, Volume 85, Pages 15-30
Impact Factor: 4.1 Citations: 7 Quartile: 1
SDG 3 SDG 9
Toward better measurement of traffic injuries – Comparison of anatomical injury measures in predicting the clinical outcomes in motorcycle crashes 2022
BE
Behram Wali (Urban Design 4 Health)
Numan Ahmad
AS
Asad Khattak (University of Tennessee)
Journal: Journal of Safety Research, Volume 80, Pages 175-189
Impact Factor: 4.1 Citations: 8 Quartile: 1
SDG 3 SDG 9
Heterogeneous ensemble learning for enhanced crash forecasts – A frequentist and machine learning based stacking framework 2023
Numan Ahmad
BE
Behram Wali (Urban Design 4 Health)
AS
Asad Khattak (University of Tennessee)
Journal: Journal of Safety Research, Volume 84, Pages 418-434
Impact Factor: 4.1 Citations: 20 Quartile: 1
SDG 3 SDG 9
Examining correlations between motorcyclist's conspicuity, apparel related factors and injury severity score: Evidence from new motorcycle crash causation study 2019
BE
Behram Wali (Urban Design 4 Health)
AS
Asad Khattak (University of Tennessee)
Numan Ahmad
Journal: Accident Analysis and Prevention, Volume 131, Pages 45-62
Impact Factor: 3.655 Citations: 42 Quartile: 1
SDG 3 SDG 9
Pedestrian's exposure to road traffic crashes in urban environment: A case study of Peshawar, Pakistan 2018
AK
Akhtar Ali Shah (University of Peshawar)
Numan Ahmad
AH
Ahn Byung Ha (Gwanju Institute of Science and Technology)
Journal: Journal of the Pakistan Medical Association, Volume 68, Issue 4, Pages 615 - 623
Impact Factor: 0.642 Citations: 0 Quartile: 4
SDG 3 SDG 9
Understanding how relationships between crash frequency and correlates vary for multilane rural highways: Estimating geographically and temporally weighted regression models 2021
AM
Amin Mohammadnazar (University of Tennessee)
IM
Iman Mahdinia (University of Tennessee)
Numan Ahmad
AS
Asad J Khattak (University of Tennessee)
JU
Jun Liu (University of Alabama)
Journal: Accident Analysis and Prevention, Volume 157, Article Number 106146
Impact Factor: 6.376 Citations: 33 Quartile: 1
SDG 3 SDG 9
Exploring pathways from driving errors and violations to crashes: The role of instability in driving 2023
Numan Ahmad
RA
Ramin Arvin (University of Tennessee)
AS
Asad Khattak (University of Tennessee)
Journal: Accident Analysis and Prevention, Volume 179, Article Number 106876
Impact Factor: 5.9 Citations: 11 Quartile: 1
SDG 3 SDG 9
A taxonomy of driving errors and violations: Evidence from the naturalistic driving study 2021
AS
Asad Khattak (University of Tennessee)
Numan Ahmad
BE
Behram Wali (Urban Design 4 Health)
ER
Eric Dumbaugh (Florida Atlantic University)
Journal: Accident Analysis and Prevention, Volume 151, Article Number 105873
Impact Factor: 6.376 Citations: 67 Quartile: 1
SDG 3 SDG 9
Built environment, driving errors and violations, and crashes in naturalistic driving environment 2021
Numan Ahmad
BE
Behram Wali (Urban Design 4 Health)
AS
Asad Khattak (University of Tennessee)
ER
Eric Dumbaugh (Florida Atlantic University)
Journal: Accident Analysis and Prevention, Volume 157, Article Number 106158
Impact Factor: 6.376 Citations: 20 Quartile: 1
SDG 3 SDG 9
Injury severity analysis of pedestrian and bicyclist trespassing crashes at non-crossings: A hybrid predictive text analytics and heterogeneity-based statistical modeling approach 2021
BE
Behram Wali (Urban Design 4 Health)
AS
Asad Khattak (University of Tennessee)
Numan Ahmad
Journal: Accident Analysis and Prevention, Volume 150, Article Number 105835
Impact Factor: 6.376 Citations: 27 Quartile: 1
SDG 3 SDG 9
Copula-based bivariate count data regression models for simultaneous estimation of crash counts based on severity and number of vehicles 2023
Numan Ahmad
VI
Vikash V. Gayah (Pennsylvania State University)
ER
Eric T. Donnell (Pennsylvania State University)
Journal: Accident Analysis and Prevention, Volume 181, Article Number 106928
Impact Factor: 5.9 Citations: 7 Quartile: 1
SDG 3 SDG 9
An ordered-probit analysis of enforcement of road speed limits 2018
BE
Behram Wali (University of Tennessee)
Anwar Ahmad
Numan Ahmad
Journal: Proceedings of the Institution of Civil Engineers - Transport, Volume 171, Issue 4, Pages 225-234
Impact Factor: 0.792 Citations: 17 Quartile: 4
SDG 3 SDG 9
Feasibility of utilizing recycled concrete aggregate blended with waste tire rubber and drywall waste as pavement subbase material 2024
AF
Afaq Ahmed
Syed Kamran Hussain Shah
Numan Ahmad
UM
Umair Ali (King Fahd University of Petroleum and Minerals)
AD
Adnan Anwar Malik (University of Newcastle)
Muhammad Jawed Iqbal
Journal: Journal of Material Cycles and Waste Management, Volume 26(4), Pages 2278-2293
Impact Factor: 2.700 Citations: 5 Quartile: 3
SDG 9 SDG 11 SDG 13
On the need to address fixed-parameter issues before applying random parameters: A simulation-based study 2024
Numan Ahmad
TA
Tanmoy Bhowmik (Portland State University)
VI
Vikash V. Gayah (Pennsylvania State University)
NA
Naveen Eluru (University of Central Florida)
Journal: Analytic Methods in Accident Research, Volume 41, Article Number 100314
Impact Factor: 12.9 Citations: 1 Quartile: 1
SDG 3 SDG 9
The role of human errors and violations in pedestrian-related crashes: Harnessing a unique database and accounting for heterogeneity 2024
Numan Ahmad
AS
Asad J. Khattak (University of Tennessee)
Journal: Journal of Safety Research, Volume:91, Pages 136-149
Impact Factor: 3.900 Citations: 0 Quartile: 1
SDG 3 SDG 9
Is Effective Enforcement of Seatbelt Law Helpful in Reduction of Road Crash Fatalities: An Exploratory Empirical Analysis using Aggregate Data 2020
Numan Ahmad
AN
Anwaar Ahmed
AK
Akhtar Ali Shah (University of Peshawar)
Journal: Proceedings of the Pakistan Academy of Sciences: Pakistan Academy of Sciences A: Physical and Computational Sciences, Volume 56(4), Pages 31-41
Impact Factor: N/A Citations: 0 Quartile: N/A
Investigating the Association of Post-Crash Medical Conditions and Human Factors with Motorcyclists Injuries: Insights from Fine Injury Data From Hospital Records
ZI
Zia Ur Rehman
Numan Ahmad
AF
Afzal Ahmed (University of Leeds)
Wasim Irshad Kayani
Conference: Transportation Research Board (104th Annual Meeting)
Citations: N/A
SDG 3 SDG 9
Exploring the Associations of Rider Age and Experience on Motorcycle Injury Crash Risk: Evidence from A Case-Control Study
MU
Muhammad Adeel (University of Tennessee)
Numan Ahmad
BE
Behram Wali (Lead Research Scientist)
AS
Asad Khattak (University of Tennessee)
Conference: Transportation Research Board
Citations: N/A
Adoption of Electric Vehicles: Is the Commercial Transportation Sector Interested?
ST
Steve Lee (The University of Tennessee)
Numan Ahmad
AS
Asad Khattak (The University of Tennessee)
Conference: Transportation Research Board
Citations: N/A
A Taxonomy of Naturalistic Driving Errors and Violations and Its Variations Across Different Land-Use Contexts – A Path Analysis Approach
AS
Asad Khattak (The University of Tennessee)
BE
Behram Wali (Department of Civil & Environmental Engineering)
Numan Ahmad
Conference: Transportation Research Board
Citations: N/A
Developing Safety Performance Functions for Rural Multilane Highways in Tennessee: Accounting for Unobserved Heterogeneity
BE
Behram Wali (Massachussets Institute of Technology)
Numan Ahmad
AS
Asad Khattak (The University of Tennessee)
AM
Amin Mohammadnazar (The University of Tennessee)
Conference: Transportation Research Board
Citations: N/A
Application of geographically and temporally weighted regression models for estimating Safety Performance Functions of multilane rural highways in Tennessee
AM
Amin Mohammadnazar (The University of Tennessee)
Numan Ahmad
IM
Iman Mahdinia (The University of Tennessee)
AS
Asad J. Khattak (The University of Tennessee)
Conference: Transportation Research Board
Citations: N/A
The Proclivity of Commercial Transportation Sector to Adopt Alternative Fuel Vehicles in the Future: Application of Machine Learning Methods
Numan Ahmad
BE
Behram Wali (The University of Tennessee)
AS
Asad Khattak (The University of Tennessee)
Conference: Transportation Research Board
Citations: N/A
Towards Better Measurement of Traffic Injuries – Comparison of Anatomical Injury Measures in Predicting Poor Clinical Outcomes in Motorcycle Crashes
BE
Behram Wali (The University of Tennessee)
Numan Ahmad
AS
Asad Khattak (The University of Tennessee)
Conference: Transportation Research Board
Citations: N/A
Consumer Preferences for Automation, Electrification, and Car-Sharing
AS
Asad Khattak (University of Tennessee)
Numan Ahmad
BE
Behram Wali (Massachusetts Institute of Technology)
Conference: Transportation Research Board
Citations: N/A
Heterogeneity in Naturalistic Driving Errors, Violations, and Crash Risk in Diverse Environmental Context
AS
Asad Khattak (The University of Tennessee)
Numan Ahmad
BE
Behram Wali (The University of Tennessee)
Conference: Transportation Research Board
Citations: N/A
Exploring Pathways from Driving Errors and Violations to Crashes: The Role of Speed Volatility
Numan Ahmad
RA
Ramin Arvin (The University of Tennessee)
AS
Asad Khattak (The University of Tennessee)
Conference: Transportation Research Board
Citations: N/A
EXPLORING EFFECT OF VISIBILITY FACTORS ON VEHICLE-PEDESTRIAN CRASH INJURY SEVERITY
LA
Laura M. Harris (The University of Tennessee)
Numan Ahmad
AS
Asad Khattak (The University of Tennessee)
SU
Subhadeep Chakraborty (The University of Tennessee)
Conference: Transportation Research Board
Citations: N/A
A Hybrid Text Analytics and Heterogeneity-Based Statistical Modeling Approach for Analysis of Trespassing Crashes at Non-Crossings Involving Vulnerable Users
BE
Behram Wali (The University of Tennessee)
AS
Asad Khattak (The University of Tennessee)
Numan Ahmad
Conference: Transportation Research Board
Citations: N/A
Heterogeneous Ensemble Learning for Enhanced Crash Forecasts – A Frequentist and Machine Learning based Stacking Framework
Numan Ahmad
BE
Behram Wali (Lead Research Scientist)
AS
Asad Khattak (The University of Tennessee)
Conference: Transportation Research Board
Citations: N/A
How Many Electric Vehicle Owners Will Repurchase a Similar Vehicle?
ST
Steve Lee (The University of Tennessee)
Numan Ahmad
SA
Sanghoon Son (Regional Planning and Environment Division)
AS
Asad J. Khattak (The University of Tennessee)
Conference: Transportation Research Board
Citations: N/A
How is the duration of distraction related to safety-critical events? Harnessing naturalistic driving data to explore the role of driving instability
Numan Ahmad
RA
Ramin Arvin (The University of Tennessee)
AS
Asad Khattak (The University of Tennessee)
Conference: Transportation Research Board
Citations: N/A
Copula-Based Bivariate Count Data Regression Models for Simultaneous Estimation of Crash Counts Based on Severity and Number of Vehicles
Numan Ahmad
VI
Vikash V. Gayah (The Pennsylvania State University)
ER
Eric Donnell (The Pennsylvania State University)
Conference: Transportation Research Board
Citations: N/A
Predicting Safety-Critical Events Using Driver Behaviors and Performance: Application of Machine Learning
Numan Ahmad
AS
Asad J. Khattak (The University of Tennessee Knoxville)
HA
Hamparsum Bozdogan (The University of Tennessee Knoxville)
Conference: Transportation Research Board
Citations: N/A
Strategies for Reducing Motorcyclist Injuries in Tennessee: Relevance of Evidence-Based Countermeasures that Work
ST
Steve Lee (The University of Tennessee)
Numan Ahmad
JE
Jerry Everett (The University of Tennessee)
AS
Asad J. Khattak (The University of Tennessee)
Conference: Transportation Research Board
Citations: N/A
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
Numan Ahmad
TA
Tanmoy Bhowmik (University of Central Florida)
VI
Vikash V. Gayah (The Pennsylvania State University)
NA
Naveen Eluru (University of Central Florida)
Conference: Transportation Research Board
Citations: N/A
A Heterogeneity Based Case-Control Analysis of Motorcyclist’s Injury Crashes: Evidence from Motorcycle Crash Causation Study
BE
Behram Wali (University of Tennessee)
AS
Asad Khattak (University of Tennessee)
AE
Aemal J. Khattak (University of Tennessee)
Numan Ahmad
Conference: Transportation Research Board
Citations: N/A
Modeling Injury Severity Score as a More Precise Measure of Motorcyclist Injuries: A Correlated Random Parameter Corner Solution Framework
BE
Behram Wali (University of Tennessee)
AS
Asad Khattak (University of Tennessee)
Numan Ahmad
Conference: Transportation Research Board
Citations: N/A
Accident Analysis and Prevention 2023
Reviewed Papers for Journals
Impact Factor: 5.9
Accident Analysis and Prevention 2023
Reviewed Papers for Journals
Impact Factor: 5.9
Accident Analysis and Prevention 2025
Reviewed Papers for Journals
Impact Factor: 5.9
Accident Analysis and Prevention 2023
Reviewed Papers for Journals
Impact Factor: 5.9
2023
Reviewed Papers for Journals
Impact Factor: N/A
2023
Reviewed Papers for Journals
Impact Factor: N/A
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0
Total Supervisions
0
PhD Supervisions
0
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