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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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Types of Roads

Driver Compliance in Work Zones: Two-Lane Rural Roads Versus Freeways

Inadequate signage and pavement markings and driver distractions in roadway work zones are contributory high-risk factors for workers and drivers on two-lane rural and multilane freeway facilities. … [Read more...] about Driver Compliance in Work Zones: Two-Lane Rural Roads Versus Freeways

Estimation of Traffic Demand at Freeway Work Zones

An iterative process, combining a macroscopic simulator and a set of the traffic demand-change estimation models, is developed to estimate the traffic demand at work zones in urban freeway corridors. … [Read more...] about Estimation of Traffic Demand at Freeway Work Zones

Traffic Wave Models for the Urban Road With a Work Zone

The work zones greatly change the traffic wave characteristics on the urban road and further significantly influence the signal timing schemes. However, studies on the traffic wave under the influence … [Read more...] about Traffic Wave Models for the Urban Road With a Work Zone

Influence Range and Traffic Risk Analysis of Moving Work Zones on Urban Roads

There is a body of literature on the influence range and traffic risk of fixed work zones. However, relatively few studies have examined the effect of ubiquitous moving operating vehicles, such as … [Read more...] about Influence Range and Traffic Risk Analysis of Moving Work Zones on Urban Roads

Practices in One-Lane Traffic Control on a Two-Lane Rural Highway

TRB's National Cooperative Highway Research Program (NCHRP) Synthesis 525: Practices in One-Lane Traffic Control on a Two-Lane Rural Highway identifies innovative practices and devices for … [Read more...] about Practices in One-Lane Traffic Control on a Two-Lane Rural Highway

Landscape Development and Management Practices for Urban Freeway Roadsides

Current practices used by state departments of transportation to design and manage the urban freeway roadsides (UFRs) environment is the focus of this synthesis. The UFRs for this synthesis are those … [Read more...] about Landscape Development and Management Practices for Urban Freeway Roadsides

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Copyright © 2026 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
American Road and Transportation Builders Association Transportation Development Foundation, American Road and Transportation Builders Association U.S. Department of Transportation Federal Highway Administration Texas A&M Transportation Institute