With the chance of dying in a crash at night nearly three times the chance in daylight, it's understandable that Congress has asked the Federal Highway Administration (FHWA) to establish guidelines … [Read more...] about Retroreflectivity and Nighttime Safety
Retroreflectivity
Status of Retroreflectivity Standards
A PowerPoint presentation that discusses what is retroreflectivity, why it is important, and FHWA's activities and current thinking. … [Read more...] about Status of Retroreflectivity Standards
Minimum Maintained Retroreflectivity Guideline Status
Because of reduced visibility at night, maintaining a safe and efficient transportation system becomes more challenging. Headlights and roadway lighting help to meet that challenge but are often not … [Read more...] about Minimum Maintained Retroreflectivity Guideline Status
How Retroreflectivity Makes Our Roads Safer
Signs that seem to glow in the dark can help motorists navigate the roadway safely at night. They are made with retroreflective sheeting materials that return light from headlights back toward the … [Read more...] about How Retroreflectivity Makes Our Roads Safer
A Determination of the Appropriateness of Virginia’s Retroreflective Sign Sheeting Specification for Flourescent Orange Construction and Maintenance Signs
To ensure the safe and efficient movement of traffic through a highway network during nighttime conditions, traffic signs are either illuminated or made retroreflective. Since illuminating all highway … [Read more...] about A Determination of the Appropriateness of Virginia’s Retroreflective Sign Sheeting Specification for Flourescent Orange Construction and Maintenance Signs
TE-29: Retroreflectivity
Retroreflective paints and coatings degrade with the effects of traffic and weather, and it's difficult to determine the best time to replace retroreflective markings and signs. TE-29 is an effort to … [Read more...] about TE-29: Retroreflectivity