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Work Zone Safety Information Clearinghouse

Library of Resources to Improve Roadway Work Zone Safety for All Roadway Users

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Traffic Models

A Study on Traffic Flow Distribution in Road Networks Considering the Impact of Construction Zones

The construction of urban expressways will significantly impact the travel of surrounding residents. Traffic flow assignment is a key method to address this issue. This study, therefore, addresses the … [Read more...] about A Study on Traffic Flow Distribution in Road Networks Considering the Impact of Construction Zones

Impact of Road Sign on Traffic Congestion During Road Repair: A Cellular Automaton Model Study

This study investigates the impact of road signs on traffic congestion during road repairs using a cellular automaton (CA) model. The model simulates an urban dual-lane one-way road, incorporating a … [Read more...] about Impact of Road Sign on Traffic Congestion During Road Repair: A Cellular Automaton Model Study

Impact of Road Work Zones on Traffic Flow and Safety: A VISSIM-Based Analysis of Driving Behavior and Risk Factors

To achieve Vision Zero and eliminate all fatalities and severe injuries in road traffic, it is necessary to improve road safety for both road users and road workers. Accidents and incidents that occur … [Read more...] about Impact of Road Work Zones on Traffic Flow and Safety: A VISSIM-Based Analysis of Driving Behavior and Risk Factors

Modeling and Simulation of Mixed Traffic Flow in Maintenance Operation Zone Considering the Impact of Trucks in an Intelligent Connected Environment

With the rapid development of intelligent connected technologies, the introduction of connected and autonomous vehicles (CAVs) into mixed traffic flows of passenger and freight vehicles complicates … [Read more...] about Modeling and Simulation of Mixed Traffic Flow in Maintenance Operation Zone Considering the Impact of Trucks in an Intelligent Connected Environment

Impact of Level 2/3 Automated Driving Technology on Road Work Zone Safety

As China's road network enters the maintenance era, work zones will become a common sight on the roads. With the development of automated driving, vehicles equipped with Level 2/3 automated driving … [Read more...] about Impact of Level 2/3 Automated Driving Technology on Road Work Zone Safety

Traffic Estimation in Work Zones Using a Custom Regression Model and Data Augmentation

Accurately estimating traffic volumes in construction work zones is crucial for effective traffic management. However, one of the key challenges transportation agencies face is the limited coverage of … [Read more...] about Traffic Estimation in Work Zones Using a Custom Regression Model and Data Augmentation

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