Anticipated Collision Time (ACT): A two-dimensional surrogate safety indicator for trajectory-based proactive safety assessment

SP Venthuruthiyil, M Chunchu - Transportation research part C: emerging …, 2022‏ - Elsevier
Abstract Surrogate Safety Measures (SSMs) are widely used to assess potential crash risk
proactively. Notably, most of the existing safety indicators are fundamentally designed to …

Exploratory analysis of automated vehicle crashes in California: A text analytics & hierarchical Bayesian heterogeneity-based approach

AM Boggs, B Wali, AJ Khattak - Accident Analysis & Prevention, 2020‏ - Elsevier
Automated vehicles (AVs) represent an opportunity to reduce crash frequency by eliminating
driver error, as safety studies reveal human error contributes to the majority of crashes. To …

A hybrid approach of random forest and random parameters logit model of injury severity modeling of vulnerable road users involved crashes

Z Sun, D Wang, X Gu, M Abdel-Aty, Y **ng… - Accident Analysis & …, 2023‏ - Elsevier
Vulnerable road users (VRUs) involved crashes are a major road safety concern due to the
high likelihood of fatal and severe injury. The use of data-driven methods and heterogeneity …

Geographically weighted random forests for macro-level crash frequency prediction

D Wu, Y Zhang, Q **ang - Accident Analysis & Prevention, 2024‏ - Elsevier
Abstract Machine learning models such as random forests (RF) have been widely applied in
the field of road safety. RF is a prominent algorithm, overcoming the limitations of using a …

Real-time conflict-based Bayesian Tobit models for safety evaluation of signalized intersections

Y Guo, T Sayed, M Essa - Accident Analysis & Prevention, 2020‏ - Elsevier
Highlights•Conflict-based real-time safety performance functions are developed for
signalized intersections.•Several Tobit models including GRP-Tobit, RI-Tobit, and GRP-Tobit …

Bayesian hybrid gamma-GPD model for extreme traffic conflict threshold determination in the peak over threshold approach

Q Yue, Y Guo, T Sayed, P Liu, L Zheng… - Accident Analysis & …, 2024‏ - Elsevier
Extreme value theory (EVT) models have been frequently utilized to estimate crash risk from
traffic conflicts with the peak over threshold commonly used to identify conflict extremes …

[HTML][HTML] Estimating crash risk and injury severity considering multiple traffic conflict and crash types: A bivariate extreme value approach

MM Howlader, F Mannering, MM Haque - Analytic Methods in Accident …, 2024‏ - Elsevier
Traffic conflicts are generally considered independent events in existing extreme value
theory models to estimate the risk of total or single types of crashes. However, traffic events …

A deep generative approach for crash frequency model with heterogeneous imbalanced data

H Ding, Y Lu, NN Sze, T Chen, Y Guo, Q Lin - Analytic methods in accident …, 2022‏ - Elsevier
Crash frequency model is often subject to excessive zero observation because of the rare
nature of crashes. To address the problem of imbalanced crash data, a deep generative …

Catastrophic factors involved in road accidents: Underlying causes and descriptive analysis

I Ashraf, S Hur, M Shafiq, Y Park - PLoS one, 2019‏ - journals.plos.org
South Korea is ranked as 4th among 34 nations of the Organization for Economic
Cooperation and Development with 102 deaths in road accidents per one million …

Effect of environmental awareness on electric bicycle users' mode choices

L Bai, NN Sze, P Liu, AG Haggart - Transportation research part D: transport …, 2020‏ - Elsevier
Travellers' environmental awareness can affect their mode choices. The primary objective of
this study is to identify the effect of electric bicycle (e-bike) users' environmental awareness …