Freeway preservation projects typically require construction workers to conduct their work in close proximity to ongoing traffic and often reduce traffic flow to a single lane while work is undertaken … [Read more...] about Safe and Effective Speed Reductions for Freeway Work Zones: Phase 2
Dynamic Speed Display Signs
Reduction of Speed in Work Zones Using ITS DMS Instant Feedback to Drivers: Vehicle Speed Versus Traffic Fine
Accidents in work zones produced 17 fatalities in Arizona and 840 fatalities and over 40,000 injuries nationally in 2009. Motorists nationwide can expect to drive through one active work zone for … [Read more...] about Reduction of Speed in Work Zones Using ITS DMS Instant Feedback to Drivers: Vehicle Speed Versus Traffic Fine
Radar Speed Signs
Effectiveness of Countermeasures to Reduce Vehicle Speeds in Freeway Work Zones
Slowing motorists within work zones on high-speed roadways continues to be a challenge for highway authorities in all jurisdictions. Many Work Area Traffic Control Manuals (WATCM) limit the speed … [Read more...] about Effectiveness of Countermeasures to Reduce Vehicle Speeds in Freeway Work Zones
IDOT, Rep. Hoffman and State Police Share Success of Program to Reduce Work Zone Speeds; Save Lives in Illinois
The Illinois Department of Transportation worked with Representative Hoffman last year to use speed indicator boards on 13 metro east and southern Illinois interstate construction projects to display … [Read more...] about IDOT, Rep. Hoffman and State Police Share Success of Program to Reduce Work Zone Speeds; Save Lives in Illinois
Preliminary Evaluation of Dynamic Speed Displays with Conditional Messaging
Changeable message signs (CMSs) and dynamic speed displays (DSDs) for speed management applications have been deployed to address multiple situations. These have often been reported to produce … [Read more...] about Preliminary Evaluation of Dynamic Speed Displays with Conditional Messaging