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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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Urban Highways

Applying Clustered KNN Algorithm for Short-Term Travel Speed Prediction and Reduced Speed Detection on Urban Arterial Road Work Zones

This study developed and verified a travel speed prediction model based on the travel speed and work zone statistics collected from the advanced traffic management system (ATMS) real-time data in … [Read more...] about Applying Clustered KNN Algorithm for Short-Term Travel Speed Prediction and Reduced Speed Detection on Urban Arterial Road Work Zones

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

Injury Severity of Truck-Involved Crashes in Work Zones on Rural and Urban Highways: Accounting for Unobserved Heterogeneity

Truck-related crashes in the work zones always resulted in severe injury outcomes. This paper analyses the injury severity of truck-involved crashes in the work zones based on a ten-year (2005–2014) … [Read more...] about Injury Severity of Truck-Involved Crashes in Work Zones on Rural and Urban Highways: Accounting for Unobserved Heterogeneity

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

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