This paper analyzes the impacts of various vehicle following patterns on the vehicle following distance/gap in highway work zones. It studies the direct impact of leading vehicle on the vehicle … [Read more...] about In-Depth Analysis of Vehicle Following Gaps in Highway Work Zones: Direct and Interdependent Impact of Leading Vehicle
Construction Sites
Evaluation of Strategies to Manage Speed in Highway Work Zones
Safety in reconstruction and maintenance work zones continues to be the primary concern of transportation engineers. Speeding is one of the major contributors of work zone crashes. To decrease the … [Read more...] about Evaluation of Strategies to Manage Speed in Highway Work Zones
Field Evaluation of Variable Advisory Speed Limit System for Reducing Traffic Conflicts at Work Zones
A practical methodology to reduce the traffic conflicts at work zones was developed and evaluated in the field. The proposed system uses variable advisory speed limits that are determined with a … [Read more...] about Field Evaluation of Variable Advisory Speed Limit System for Reducing Traffic Conflicts at Work Zones
Artificial Neural Network Speed Profile Model for Construction Work Zones on High-Speed Highways
Speed profile models can be used as a diagnostic tool by highway engineers. Previous work has investigated relationships between operating speed and geometric roadway elements for permanent roadway … [Read more...] about Artificial Neural Network Speed Profile Model for Construction Work Zones on High-Speed Highways
Traffic Enforcement Strategies in Work Zones
This report presents the summary of work conducted during Phase I of NCHRP Project 3-80, Traffic Enforcement Strategies for Work Zones. The objective of this project is to develop guidelines for safe … [Read more...] about Traffic Enforcement Strategies in Work Zones
Placement Guidance for Temporary Concrete Barriers in Construction Work Zones: Developed with Roadside Safety Analysis
An important design decision in construction work zones concerns the use and placement of temporary barriers. The temporary concrete safety shaped barrier is the option preferred by most state … [Read more...] about Placement Guidance for Temporary Concrete Barriers in Construction Work Zones: Developed with Roadside Safety Analysis