Joint modeling of pedestrian and bicycle crashes: copula-based approach
This study contributes to the safety literature on active mode transportation safety by using a
copula-based model for crash frequency analysis at a macro level. Most studies in the …
copula-based model for crash frequency analysis at a macro level. Most studies in the …
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 …
on the conventional count regression models to explore exogenous factors affecting …
Jointly analyzing freeway primary and secondary crash severity using a copula-based approach
A copula-based model is developed in this study to jointly model the severity of freeway
primary crashes and secondary crashes. The copula-based model can concurrently account …
primary crashes and secondary crashes. The copula-based model can concurrently account …
A copula-based approach for jointly modeling crash severity and number of vehicles involved in express bus crashes on expressways considering temporal stability of …
R Tamakloe, J Hong, D Park - Accident Analysis & Prevention, 2020 - Elsevier
The consequences of crashes, including injury, loss of lives, and damage to properties, are
further worsened when buses plying expressways are involved in the crash. Previous …
further worsened when buses plying expressways are involved in the crash. Previous …
Exploring analytical, simulation-based, and hybrid model structures for multivariate crash frequency modeling
In safety literature, there are two ways to incorporate the potential correlation between
multiple crash frequency variables:(1) simulation-based approach and (2) analytical closed …
multiple crash frequency variables:(1) simulation-based approach and (2) analytical closed …
Copula-based bivariate count data regression models for simultaneous estimation of crash counts based on severity and number of vehicles
Statistical models of crash frequency typically apply univariate regression models to
estimate total crash frequency or crash counts by various categories. However, a possible …
estimate total crash frequency or crash counts by various categories. However, a possible …
Multivariate copula temporal modeling of intersection crash consequence metrics: a joint estimation of injury severity, crash type, vehicle damage and driver error
This study employs a copula-based multivariate temporal ordered probit model to
simultaneously estimate the four common intersection crash consequence metrics–driver …
simultaneously estimate the four common intersection crash consequence metrics–driver …
On accommodating spatial dependence in bicycle and pedestrian injury counts by severity level
This paper proposes a new spatial multivariate count model to jointly analyze the traffic
crash-related counts of pedestrians and bicyclists by injury severity. The modeling …
crash-related counts of pedestrians and bicyclists by injury severity. The modeling …
Investigating the effect of spatial and mode correlations on active transportation safety modeling
This paper describes the development of macro-level crash models for active modes of
transportation incorporating spatial and mode correlation effects. The models are based on …
transportation incorporating spatial and mode correlation effects. The models are based on …
Macro-level pedestrian and bicycle crash analysis: Incorporating spatial spillover effects in dual state count models
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 …
models) for traffic analysis zones (TAZs) based pedestrian and bicycle crash frequency …