114 citations · 440 across the 15 of their papers we have counts for
5 papers · 2 filters
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…
Analyzing Highly Volatile Driving Trips Taken by Alternative Fuel Vehicles
Mohsen Kamrani, Ramin Arvin, Asad J. Khattak
Volatile driving, characterized by fluctuations in speed and accelerations and aggressive lane changing/merging, is known to contribute to transportation crashes. To fully understa…
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…
Extracting useful information from connected vehicle data: An empirical study of driving volatility measures and crash frequency at intersections
Mohsen Kamrani, Ramin Arvin, Asad J. Khattak
With the emergence of high-frequency connected and automated vehicle data, analysts have become able to extract useful information from them. To this end, the concept of "driving v…