This report presents recommendations to improve the design of messages for dynamic message signs (DMSs). Specifically, it presents recommendations for effective abbreviations that can be used when the … [Read more...] about Texas Driver Understanding of Abbreviations for Dynamic Message Signs
Changeable Message Signs
Photometric Requirements for Portable Changeable Message Signs
Portable changeable message signs (PCMSs) are traffic control devices that advise motorists of unexpected traffic and routing situations. In contrast to static signing, PCMSs convey dynamic … [Read more...] about Photometric Requirements for Portable Changeable Message Signs
Evaluation of the Accuracy of a Real-Time Travel Time Prediction System in a Freeway Construction Work Zone
This is an investigation of the accuracy of the travel times displayed by a real-time travel time prediction system (TIPS) in a construction work zone. TIPS includes changeable message signs (CMSs) … [Read more...] about Evaluation of the Accuracy of a Real-Time Travel Time Prediction System in a Freeway Construction Work Zone
Evaluation of the Motoring Public’s Acceptance of a Real-Time Travel Time Prediction System in a Freeway Construction Work Zone
A real-time travel time prediction system (TIPS) was evaluated in a construction work zone. TIPS includes changeable message signs (CMSs) displaying the travel time and distance to the end of the work … [Read more...] about Evaluation of the Motoring Public’s Acceptance of a Real-Time Travel Time Prediction System in a Freeway Construction Work Zone
Upgrading Work-Zone Safety: Real-time Traffic Information Helps Notify Motorists of Upcoming Work Zones
Almost a decade ago, the FHWA launched a joint program with all 50 states to develop technology to demonstrate the feasibility of providing real-time traffic information to motorists approaching work … [Read more...] about Upgrading Work-Zone Safety: Real-time Traffic Information Helps Notify Motorists of Upcoming Work Zones
State Will Try out Devices Adjusting I-96 Speed Limit
Mid-Michigan drivers will be the first in the state to experiment with a system designed to ease the flow of traffic and improve safety in construction zones. Sensors and electronic signs will adjust … [Read more...] about State Will Try out Devices Adjusting I-96 Speed Limit
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