This article discusses various types of solar-powered arrowboards and changeable message signs (CMSs). Descriptions of some companies' products are given. … [Read more...] about Solar Power: Sign of the Times
Arrow Panels
Sight-Distance Requirements at Lane-Closure Work Zones on Urban Freeways
Findings of field studies conducted to evaluate the effects of sight distance to lane closures at urban freeway work zones are presented and discussed. The studies investigated the interaction of … [Read more...] about Sight-Distance Requirements at Lane-Closure Work Zones on Urban Freeways
Truck Drivers’ Concerns in Work Zones: Travel Characteristics and Accident Experiences
A study was conducted to determine truck drivers' concerns about traffic control in work zones (WZs) and to identify the locations of accidents and risky driving situations. A statewide opinion survey … [Read more...] about Truck Drivers’ Concerns in Work Zones: Travel Characteristics and Accident Experiences
Field Evaluation of Flashing Arrowboards at Freeway Work Zones
This report documents research conducted in the evaluation of flashing arrowboards when located in advance of lane closure work zones. The effects of supplemental arrowboard placement were compared to … [Read more...] about Field Evaluation of Flashing Arrowboards at Freeway Work Zones
Illustrated Use of Work Zone Traffic Control in Three States
One of the very valuable traffic control devices for use in work zones is the flashing arrow sign. Unfortunately, like many of the other traffic control devices, it is often misused, causing motorist … [Read more...] about Illustrated Use of Work Zone Traffic Control in Three States
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