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
Transportation Research Board
Crashes continue to be a problem in work zones. Analyses have indicated that rear-end and sideswipe crashes are the most frequent. Investigators have hypothesized that distractions are often the cause … [Read more...] about Driving Simulator Evaluation of Driver Performance During Hands-Free Cell Phone Operation in a Work Zone: Driving Without a Clue.
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
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
The Transportation Research Board's (TRB's) "Highway Capacity Manual" (HCM) provides a collection of state-of-the-art techniques for estimating the capacity and determining the level of service for … [Read more...] about Highway Capacity Manual 2000
TRB’s National Cooperative Highway Research Program (NCHRP) CD-ROM 50: Training Materials for Night Road Work to Improve Safety and Operations is a self-contained training package that complements … [Read more...] about Training Materials for Night Road Work to Improve Safety and Operations