Crash modification factor (CMF) provides the expected change in crash frequency due to the implementation of a countermeasure or a change in a particular site condition. State and local transportation … [Read more...] about Development and Application of Work Zone Crash Modification Factors
Countermeasures
Towards a European Guideline for Speed Management Measures in Work Zones
Speed management in work zones is important to ensure that the driver safely can navigate the vehicle through the work zone routing. The ASAP project, Appropriate Speed saves All People, was designed … [Read more...] about Towards a European Guideline for Speed Management Measures in Work Zones
A Report on Questionnaire Survey on Highway Work Zone Safety Audits
This report documents the findings of a questionnaire survey conducted in mid-July 2007 to collect pertinent information to help the research team prepare and refine strategies and methodologies for … [Read more...] about A Report on Questionnaire Survey on Highway Work Zone Safety Audits
Work Zone Intrusion Reporting: A Survey of State Practices
This report synthesizes practices of state DOTs for reporting and documenting vehicle intrusions into construction work zones. … [Read more...] about Work Zone Intrusion Reporting: A Survey of State Practices
Work Zone Deaths Demand Wake-up Call
The number of highway work zone fatalities is epidemic and averages more than 50 per month. Work zone deaths occur at a rate five times more than that of all law enforcement, fire, and rescue and EMS … [Read more...] about Work Zone Deaths Demand Wake-up Call
Smart Phone Based Forward Collision Warning Messages in Work Zones to Enhance Safety and Reduce Emissions
Collisions in work zones have always been a contributing factor in compromising safety on urban roadways. National Highway Traffic Safety Administration (NHTSA) and State Transportation Authorities … [Read more...] about Smart Phone Based Forward Collision Warning Messages in Work Zones to Enhance Safety and Reduce Emissions