Multivariate crash modeling for motor vehicle and non-motorized modes at the macroscopic level

J Lee, M Abdel-Aty, X Jiang - Accident Analysis & Prevention, 2015 - Elsevier
Macroscopic traffic crash analyses have been conducted to incorporate traffic safety into
long-term transportation planning. This study aims at developing a multivariate Poisson …

Intersection crash prediction modeling with macro-level data from various geographic units

J Lee, M Abdel-Aty, Q Cai - Accident Analysis & Prevention, 2017 - Elsevier
There have been great efforts to develop traffic crash prediction models for various types of
facilities. The crash models have played a key role to identify crash hotspots and evaluate …

The effect of zonal factors in estimating crash risks by transportation modes: Motor vehicle, bicycle and pedestrian

J Wang, H Huang, Q Zeng - Accident Analysis & Prevention, 2017 - Elsevier
Objectives This paper aimed to (i) differentiate the effects of contributory factors on crash
risks related to different transportation modes, ie, motor vehicle, bicycle and pedestrian;(ii) …

Predicting crash frequency for multi-vehicle collision types using multivariate Poisson-lognormal spatial model: A comparative analysis

M Hosseinpour, S Sahebi, ZH Zamzuri… - Accident Analysis & …, 2018 - Elsevier
According to crash configuration and pre-crash conditions, traffic crashes are classified into
different collision types. Based on the literature, multi-vehicle crashes, such as head-on, rear …

Using empirical traffic trajectory data for crash risk evaluation under three-phase traffic theory framework

T Liu, Z Li, P Liu, C Xu, DA Noyce - Accident Analysis & Prevention, 2021 - Elsevier
This study employed surrogate safety measures to evaluate the crash risks in different traffic
phases and phase transitions according to the three-phase theory. The analysis was …

Integrating macro-and micro-level safety analyses: a Bayesian approach incorporating spatial interaction

Q Cai, M Abdel-Aty, J Lee, H Huang - Transportmetrica A: transport …, 2019 - Taylor & Francis
Traditionally, crash frequency analyses have been undertaken at the macro-and micro-
levels, independently. This study proposes a Bayesian integrated spatial crash frequency …

Macro-level vulnerable road users crash analysis: A Bayesian joint modeling approach of frequency and proportion

Q Cai, M Abdel-Aty, J Lee - Accident Analysis & Prevention, 2017 - Elsevier
This study aims at contributing to the literature on pedestrian and bicyclist safety by building
on the conventional count regression models to explore exogenous factors affecting …

Multilevel data and Bayesian analysis in traffic safety

H Huang, M Abdel-Aty - Accident Analysis & Prevention, 2010 - Elsevier
BACKGROUND: Traditional crash prediction models, such as generalized linear regression
model, are incapable of taking into account multilevel data structure. Therefore they suffer …

Macro-level pedestrian and bicycle crash analysis: Incorporating spatial spillover effects in dual state count models

Q Cai, J Lee, N Eluru, M Abdel-Aty - Accident Analysis & Prevention, 2016 - Elsevier
This study attempts to explore the viability of dual-state models (ie, zero-inflated and hurdle
models) for traffic analysis zones (TAZs) based pedestrian and bicycle crash frequency …

Comparative analysis of zonal systems for macro-level crash modeling

Q Cai, M Abdel-Aty, J Lee, N Eluru - Journal of safety research, 2017 - Elsevier
Introduction Macro-level traffic safety analysis has been undertaken at different spatial
configurations. However, clear guidelines for the appropriate zonal system selection for …