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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

Study of Improved Signal‐Based Merge Strategy in Work Zone Areas Based on Cellular Automata Simulation

Work zones have critical effects on traffic safety and efficiency. Previous researchers have developed lots of merge strategies to regulate drivers’ behaviours, which can be divided into early merge … [Read more...] about Study of Improved Signal‐Based Merge Strategy in Work Zone Areas Based on Cellular Automata Simulation

Integrated Control Method for Ramp Traffic Flow in Construction Area of Expressway

In order to alleviate the traffic congestion of the expressway construction section without interrupting the traffic, an integrated control method of ramp traffic flow was proposed. Based on METANET … [Read more...] about Integrated Control Method for Ramp Traffic Flow in Construction Area of Expressway

A Quantitative Method to Delineate the Influence Area of Work Zone Considering Route Choice Inertia and Elastic Demand

The work zone on the urban road network will affect the surrounding road traffic. To represent the influence area of the work zone, the concept of a subnetwork is proposed in this paper. Delineating a … [Read more...] about A Quantitative Method to Delineate the Influence Area of Work Zone Considering Route Choice Inertia and Elastic Demand

Improving Work Zone Mobility Through Planning, Design, and Operations

This research project consists of a series of tasks intended to yield results that will better inform transportation agencies in their planning, design, and operations of freeway work zones. This … [Read more...] about Improving Work Zone Mobility Through Planning, Design, and Operations

Analysis of Headway and Speed Based on Driver Characteristics and Work Zone Configurations Using Naturalistic Driving Study Data

The objective of this paper is to analyze headway and speed distribution based on driver characteristics and work zone (WZ) configurations by utilizing Naturalistic Driving Study (NDS) data. The NDS … [Read more...] about Analysis of Headway and Speed Based on Driver Characteristics and Work Zone Configurations Using Naturalistic Driving Study Data

Fault-Tolerant Control of Variable Speed Limits for Freeway Work Zone With Recurrent Sensor Faults

Congestion associated with freeway work zones can adversely affect mobility, safety, and sustainability. Variable speed limits (VSL) control has been widely studied to mitigate the congestion caused … [Read more...] about Fault-Tolerant Control of Variable Speed Limits for Freeway Work Zone With Recurrent Sensor Faults

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Copyright © 2025 American Road & Transportation Builders Association (ARTBA). The National Work Zone Safety Information Clearinghouse is a project of the ARTBA Transportation Development Foundation. It is operated in cooperation with the U.S. Federal Highway Administration and Texas A&M Transportation Institute. | Copyright Statement · Privacy Policy · Disclaimer
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