A multi-year project sponsored by the Texas Department of Transportation (TxDOT) at the Texas Transportation Institute (TTI) is analyzing and testing a variety of roadside equipment including flashing … [Read more...] about Compliant Equipment Improves Road Safety
Planning and Design
Arrow Panel Display Evaluation in Temporary Work Zones
The Oregon Department of Transportation evaluated the effectiveness of a "sequentially flashing diamond" arrow panel display as an advance caution warning in temporary work zones. This display was … [Read more...] about Arrow Panel Display Evaluation in Temporary Work Zones
Fluorescent Orange Sign Sheeting Evaluation by a State DOT
The following paper describes the first phase of the Arizona Department of Transportation (ADOT) fluorescent orange sign sheeting evaluation. The general goal of the evaluation was to develop a … [Read more...] about Fluorescent Orange Sign Sheeting Evaluation by a State DOT
Use of Signage and Blue Tubular Markers to Improve Access to Businesses during Construction
The study evaluated two non-standard traffic control devices intended to assist motorists in locating business accesses during highway construction. The devices, blue tubular markers and blue signs … [Read more...] about Use of Signage and Blue Tubular Markers to Improve Access to Businesses during Construction
Evaluation of Three Supplementary Traffic Control Measures for Freeway Work Zones
Controlling traffic in work zones to improve safety has long been a major concern for highway agencies. Three traffic control devices- white lane drop arrows, orange rumble strips, and the CB wizard … [Read more...] about Evaluation of Three Supplementary Traffic Control Measures for Freeway Work Zones
Evaluation of Speed Reduction Techniques at Work Zones
The goal of the Midwest States Smart Work Zone Deployment Initiative (MwSWZDI) is to develop better ways of controlling traffic through work zones, which improves traffic safety and traffic operating … [Read more...] about Evaluation of Speed Reduction Techniques at Work Zones