This document is intended to help identify sign sheeting materials for rigid signs and their common specification designations. It is not a qualified product list. FHWA does not endorse or approve … [Read more...] about Traffic Sign RetroReflective Sheeting Identification Guide
Retroreflectivity
Retroreflectivity – The Latest
The AASHTO Board of Directors recently recommended a change in Section 406 of the present law regarding establishment of minimum retroreflectivity values for signs and pavement markings. This would … [Read more...] about Retroreflectivity – The Latest
Road Crews to Brighten up Their Wardrobe: Fluorescent Yellow-Green Shirts with Reflective Stripes Designed to Boost Safety in Construction Zones
Bracing for some $12 billion in construction projects over the next decade, the Indiana Department of Transportation is rolling out brighter, attention-grabbing apparel for its road workers. The … [Read more...] about Road Crews to Brighten up Their Wardrobe: Fluorescent Yellow-Green Shirts with Reflective Stripes Designed to Boost Safety in Construction Zones
What is Retroreflectivity?
Signs and markings are effective at night because they have been designed to reflect light from a vehicle's headlamps back to the driver. The technical term for this characteristic is … [Read more...] about What is Retroreflectivity?
Brightness and Color of Fluorescent Yellow and Fluorescent Yellow Green Retroreflective Signs: Comparison of Laboratory and Field Measurements
There is a growing body of traffic engineering research indicating fluorescent-retroreflective signing can increase safer driver behavior on the road. However, missing from these studies are … [Read more...] about Brightness and Color of Fluorescent Yellow and Fluorescent Yellow Green Retroreflective Signs: Comparison of Laboratory and Field Measurements
Work Zone Safety Rule: Be Conspicuous!
Highway workers need to make themselves and their equipment as conspicuous as possible in order to reduce traffic congestion, and improve communication with motorists. … [Read more...] about Work Zone Safety Rule: Be Conspicuous!