Road works present a special challenge to both the driver and the traffic engineer. Work zone accident statistics attest to the need for safety improvements. One way traffic engineers have attempted … [Read more...] about A Study of the Visibility and Effectiveness of Fluorescent Retroreflective Traffic Control Signing in Work Zone Applications
Retroreflectivity
Durable Fluorescent Materials for the Work Zone
Construction work zones (CWZs) are a major cause of concern for highway and safety engineers. At any given time CWZs constitute only a small fraction of the total roadway miles. However, they are the … [Read more...] about Durable Fluorescent Materials for the Work Zone
Reflectorized Devices for Driver Information. Introduction
This circular presents 8 summaries of areas requiring research in the field of reflectorized devices. The problem areas have been identified as follows: snowplowable raised pavement markers; sign … [Read more...] about Reflectorized Devices for Driver Information. Introduction
Visibility Requirements for Traffic Control Devices in Work Zones
The objective of this study was to develop a performance requirement or standard for the detection and recognition of retroreflective traffic devices used in work zones. The scope of the study was … [Read more...] about Visibility Requirements for Traffic Control Devices in Work Zones
Retroreflectivity: An Essential Tool for Improving Visibility
The risk of dying in a crash at night is nearly three times the risk of dying in daylight hours. Lack of visibility is identified as a key factor for nighttime crashes. This article exams a variety … [Read more...] about Retroreflectivity: An Essential Tool for Improving Visibility
Reflecting Back
This article discusses the FHWA minimum requirements for retroreflectivity that must be maintained for traffic signs and pavement markings. … [Read more...] about Reflecting Back