Inferring heterogeneous treatment effects of crashes on highway traffic: A doubly robust causal machine learning approach

S Li, Z Pu, Z Cui, S Lee, X Guo, D Ngoduy - Transportation research part C …, 2024 - Elsevier
Accurate estimating causal effects of crashes on highway traffic is crucial for mitigating the
negative impacts of crashes. Previous studies have built up a series of methods via …

[HTML][HTML] Realtime wide-area vehicle trajectory tracking using millimeter-wave radar sensors and the open TJRD TS dataset

J Wang, T Fu, J Xue, C Li, H Song, W Xu… - International Journal of …, 2023 - Elsevier
This paper presented a real-time millimeter wave radar-based system for tracking vehicle
trajectories in a wide area (continuously along a roadway with essentially no length limit in …

Estimating heterogeneous treatment effects in road safety analysis using generalized random forests

Y Zhang, H Li, G Ren - Accident Analysis & Prevention, 2022 - Elsevier
Numerous evaluation studies have been conducted on a variety of road safety measures.
However, the issue of treatment heterogeneity, defined as the variation in treatment effects …

[HTML][HTML] Investigating distance halo effect of fixed automated speed camera based on taxi GPS trajectory data

C Fu, H Liu - Journal of traffic and transportation engineering …, 2023 - Elsevier
Background The deterrence effect of automated speed camera (ASC) is still inconclusive.
Moreover, it is pointed out that ASC may have varying deterrence effects on different types of …

Propensity score methods for road safety evaluation: Practical suggestions from a simulation study

Y Zhang, H Li, NN Sze, G Ren - Accident Analysis & Prevention, 2021 - Elsevier
The propensity score (PS) based method has been increasingly used in road safety
evaluation studies. However, several major considerations regarding its implementation …

Ambiguity and legal compliance

TC Barnum, DS Nagin - Criminology & Public Policy, 2021 - Wiley Online Library
Research Summary This study examines the independent and joint effect of ambiguity and
perceived certainty of apprehension on law‐breaking decision‐making. Data come from a …

Are multiple speed cameras more effective than a single one? Causal analysis of the safety impacts of multiple speed cameras

H Li, M Zhu, DJ Graham, Y Zhang - Accident Analysis & Prevention, 2020 - Elsevier
Most previous studies investigate the safety effects of a single speed camera, ignoring the
potential impacts from adjacent speed cameras. The mutual influence between two or even …

Road safety evaluation with multiple treatments: A comparison of methods based on simulations

Y Zhang, H Li, G Ren - Accident Analysis & Prevention, 2023 - Elsevier
This paper focuses on ex-post road safety evaluation with multiple treatments. The potential
outcome framework for causal inference is introduced to formalize the causal estimands of …

The effects of saturation enforcement on speed (ing) along a highway corridor: Results from a police-directed field study

R Simpson, Q Frewing, J Bayer - Justice Evaluation Journal, 2023 - Taylor & Francis
Speed is a well-documented predictor of traffic collisions. The present research evaluates
the effects of saturation enforcement by police on speed (ing) along a highway corridor in …

Mobile crowdsensing based architecture for intelligent traffic prediction and quickest path selection

M Raza, AR Barket, AU Rehman… - … Conference on UK …, 2020 - ieeexplore.ieee.org
The mobile crowd sensing (MCS) network is a new reliable and robust paradigm It consists
of the Internet of Things (IoTs), wireless sensor networks (WSNs), and mobile personal …