A record number of people are being killed in highway work zones as motorists speed through construction areas -- confused, frustrated or both by ever-increasing miles of narrow lanes and orange … [Read more...] about Speeding in Work Zones Taking a Deadly Road Toll
Managing Speeds
Study Tests Devices to Improve Work Zone Safety
The Texas Department of Transportation (TxDOT) selected the Texas Transportation Institute (TTI) to investigate new traffic control devices that can improve worker and driver safety. This study … [Read more...] about Study Tests Devices to Improve Work Zone Safety
Evaluation of Work Zone Speed Reduction Measures (Presentation)
The Iowa Department of Transportation (DOT) has made improving work zone (WZ) safety a high priority. Managing vehicle speeds through work zones is perceived to be an important factor in achieving … [Read more...] about Evaluation of Work Zone Speed Reduction Measures (Presentation)
Effect of Speed Monitoring Displays on Entry Ramp Speeds at Rural Freeway Interchanges
The effectiveness of speed monitoring displays (SMDs) in controlling the speed of on-ramp traffic at rural freeway interchanges was evaluated as part of the Midwest States Smart Work Zone Deployment … [Read more...] about Effect of Speed Monitoring Displays on Entry Ramp Speeds at Rural Freeway Interchanges
Feasibility of Real-Time Remote Speed Enforcement for Work Zones
Studies have shown that a large percentage of vehicles involved in work zone crashes are traveling at excessive speeds. While traditional speed enforcement has been shown to reduce speeds through the … [Read more...] about Feasibility of Real-Time Remote Speed Enforcement for Work Zones
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