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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 Flow

 

Calibration of Vissim Models for Rural Freeway Lane Closures: Novel Approach to the Modification of Key Parameters

The definition of freeway work zone capacity has been a topic of debate for several decades, leaving agencies with limited guidance on predicting the behavior of traffic flow at given volumes for … [Read more...] about Calibration of Vissim Models for Rural Freeway Lane Closures: Novel Approach to the Modification of Key Parameters

Study on the Capacity of Urban Road Construction Section Under Mixed Traffic Environment

Based on the analysis of the calculation model of the capacity of urban road construction section, a calculation optimization model considering the influence of non-motor vehicle factors on the … [Read more...] about Study on the Capacity of Urban Road Construction Section Under Mixed Traffic Environment

Influence of Traffic Delay Produced During Maintenance Activities on the Life Cycle Assessment of a Road

This paper analyses the relevance of the traffic delay generated during the A-8 Spanish Motorway maintenance activities in order to make recommendations for inclusion within the LCA of roads. Six … [Read more...] about Influence of Traffic Delay Produced During Maintenance Activities on the Life Cycle Assessment of a Road

Research on the Influence of Front Virtual Work Zone on Traffic Operation of Expressway Construction Sections

In this paper, a new work zone traffic organization scheme (as opposed to a traditional one) is proposed. A front virtual work zone, in which no work is carried out, is set upstream of the real work … [Read more...] about Research on the Influence of Front Virtual Work Zone on Traffic Operation of Expressway Construction Sections

An Improved Cellular Automaton Model for Work Zone Traffic Simulation Considering Realistic Driving Behavior

Traffic efficiency and safety in work zone are major concerns for traffic engineers, highway agencies and road users. Microscopic traffic simulation is an efficient method to study work zone traffic … [Read more...] about An Improved Cellular Automaton Model for Work Zone Traffic Simulation Considering Realistic Driving Behavior

Fault-Tolerant Variable Speed Limit Control for Freeway Work Zone

Freeway work zone can easily lead to traffic congestion which has detrimental effects on travel time and safety. By using the detected traffic states near work zone area, variable speed limit (VSL) … [Read more...] about Fault-Tolerant Variable Speed Limit Control for Freeway Work Zone

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