A new econometric approach for modeling several count variables: a case study of crash frequency analysis by crash type and severity
There is limited adoption of research modeling crash severity frequency considering
different crash types due to the challenge associated with analyzing large number of …
different crash types due to the challenge associated with analyzing large number of …
An integrated multi-resolution framework for jointly estimating crash type and crash severity
The current research effort contributes to safety literature by develo** an integrated
framework that allows for the influence of independent variables from crash type and …
framework that allows for the influence of independent variables from crash type and …
Integrating macro and micro level crash frequency models considering spatial heterogeneity and random effects
Safety literature has traditionally developed independent model systems for macroscopic
and microscopic level analysis. The current research effort contributes to the literature on …
and microscopic level analysis. The current research effort contributes to the literature on …
A systematic unified approach for addressing temporal instability in road safety analysis
Multivariate models are widely employed for crash frequency analysis in traffic safety
literature. In the context of analyzing data for multiple instances (such as years), it becomes …
literature. In the context of analyzing data for multiple instances (such as years), it becomes …
A random parameters with heterogeneity in means and Lindley approach to analyze crash data with excessive zeros: A case study of head-on heavy vehicle crashes …
This study performed statistical analyses to identify likely crash contributing factors for Head-
on Fatal and Serious Injury (FSI) collisions involving heavy vehicles (HVs) on the …
on Fatal and Serious Injury (FSI) collisions involving heavy vehicles (HVs) on the …
A joint behavioral choice model for adoption of automated vehicle ride sourcing and carsharing technologies: Role of built environment & sustainable travel behaviors
Rapid advancements in vehicle automation and a shift towards collaborative consumption
trends will disrupt future urban mobility systems. We present a joint model of consumers' …
trends will disrupt future urban mobility systems. We present a joint model of consumers' …
A random parameters copula-based binary logit-generalized ordered logit model with parameterized dependency: application to active traveler injury severity analysis
A copula-based dependence approach accommodates various facets of dependence
structures in building multivariate stochastic models. In existing studies, applications of …
structures in building multivariate stochastic models. In existing studies, applications of …
An econometric framework for integrating aggregate and disaggregate level crash analysis
Traditionally, aggregate crash frequency by severity and disaggregate severity analysis
have been conducted independently in the safety literature. The current research effort …
have been conducted independently in the safety literature. The current research effort …
Investigating the spatial heterogeneity of factors influencing speeding-related crash severities using correlated random parameter order models with heterogeneity-in …
Speeding has been acknowledged as a critical determinant in increasing the risk of crashes
and their resulting injury severities. This paper employs Global Moran's I coefficient and …
and their resulting injury severities. This paper employs Global Moran's I coefficient and …
Enhanced aggregate framework to model crash frequency by accommodating zero crashes by crash type
In recent years, joint count and fractional split model structure based approaches have
emerged as a credible alternative for multivariate crash frequency dependent variables …
emerged as a credible alternative for multivariate crash frequency dependent variables …