57 citations · 69 across the 3 of their papers we have counts for
5 papers · 1 filter
Fuel Economy Gaps Within & Across Garages: A Bivariate Random Parameters Seemingly Unrelated Regression Approach
Behram Wali, Asad Khattak, David Greene +1
The key objective of this study is to investigate the interrelationship between fuel economy gaps and to quantify the differential effects of several factors on fuel economy gaps o…
A Heterogeneity Based Case-Control Analysis of Motorcyclist Injury Crashes: Evidence from Motorcycle Crash Causation Study
Behram Wali, Asad Khattak, Aemal Khattak
The main objective of this study is to quantify how different policy-sensitive factors are associated with risk of motorcycle injury crashes, while controlling for rider-specific,…
Analyzing within Garage Fuel Economy Gaps to Support Vehicle Purchasing Decisions - A Copula-Based Modeling & Forecasting Approach
Behram Wali, David Greene, Asad Khattak +1
A key purpose of the U.S. government fuel economy ratings is to provide precise and unbiased fuel economy estimates to assist consumers in their vehicle purchase decisions. For the…
Development of Safety Performance Functions: Incorporating Unobserved Heterogeneity and Functional Form Analysis
Behram Wali, Asad J. Khattak, Jim Waters +2
To improve transportation safety, this study applies Highway Safety Manual (HSM) procedures to roadways while accounting for unobserved heterogeneity and exploring alternative func…
Can Data Generated by Connected Vehicles Enhance Safety? A proactive approach to intersection safety management
Mohsen Kamrani, Behram Wali, Asad J. Khattak
Traditionally, evaluation of intersection safety has been largely reactive, based on historical crash frequency data. However, the emerging data from Connected and Automated Vehicl…