Speeding is known to be related to a significant portion of highway collisions. As part of the efforts to seek safety improvements of the California highway network, the California Department of … [Read more...] about Assessing Automated Speed Enforcement in California
Navigation Systems
GPS Problems in Construction Zones
In Washington, DC, GPS units have caused confusion, especially in construction zones. It could be due to the lag time between the road changes are made and the updates are released. Drivers are … [Read more...] about GPS Problems in Construction Zones
States Crack Down on Speeding in Construction Zones
To reduce fatalities and improve work zone safety, states have used various traffic control methods. Illinois uses cameras to catch speeders and its work zone speeding fines were toughened up: … [Read more...] about States Crack Down on Speeding in Construction Zones
Synthesis of Traffic Calming Techniques in Work Zones
Nationwide, over 1,000 fatalities and 40,000 injuries occur annually in work zones, which include both construction zones and areas where maintenance is performed. The majority (85%) of work zone … [Read more...] about Synthesis of Traffic Calming Techniques in Work Zones
Evaluation of Traffic Control Devices for Rural High-Speed Maintenance Work Zones: Second Year Activities and Final Recommendations
This report documents the second year of a two-year project to evaluate the effectiveness of innovative work zone traffic control devices. Researchers evaluated these devices at short-term rural work … [Read more...] about Evaluation of Traffic Control Devices for Rural High-Speed Maintenance Work Zones: Second Year Activities and Final Recommendations
A Methodology for Assessing the Impact of Radar Transmissions on a Work Zone
A new method of speed reduction in work zones is being investigated where an informational safety message is sent to drivers equipped with compatible receivers. The Safety Warning System, a currently … [Read more...] about A Methodology for Assessing the Impact of Radar Transmissions on a Work Zone