Modified work zone traffic control devices at business accesses were evaluated on two Oregon Department of Transportation (ODOT) projects in 1999 and 2000. In Sweet Home, Oregon, on the Sweet-Home WCL … [Read more...] about Evaluation of Modified Work Zone Traffic Control Devices at Business Accesses
Delineators
Helping Businesses in Work Zones
Many business owners fear that highway construction projects will significantly reduce traffic to their businesses. Customers complain about the difficulty in finding business driveways in work zones. … [Read more...] about Helping Businesses in Work Zones
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
Work Zone Traffic Management Synthesis: Barrier Delineation Treatments Used in Work Zones
This report is a synthesis of research findings on current practices in the delineation of portable concrete safety-shaped barriers (CSSBs) in work zones. The information is based on a review of … [Read more...] about Work Zone Traffic Management Synthesis: Barrier Delineation Treatments Used in Work Zones
Evaluation of Delineation Systems for Temporary Traffic Barriers in Work Zones
This study investigated the effectiveness of various barrier-mounted reflectors. Barrier delineators come in different shapes and sizes, and their materials and installation labor costs also differ. … [Read more...] about Evaluation of Delineation Systems for Temporary Traffic Barriers in Work Zones
Use of “Saddle drums”/“Saddlemarker”
Washington state DOT used saddle drums in a test area in the Northwest Region. The feelings were that they provided good barrier delineation (large target value) but were somewhat expensive for the … [Read more...] about Use of “Saddle drums”/“Saddlemarker”