House Resolution No. 15, adopted March 30, 1991, requested that the Department of Transportation (Caltrans) conduct a study to determine the need and consider standards for installing removable … [Read more...] about Report on Emergency Access Openings in Soundwalls and Concrete Median Barriers
Barriers (Roads)
Use of Chevron Patterns on Traffic Control Devices in Work Zones (Abridgement)
The objectives of the research were to select the most effective design for the chevron pattern and to evaluate the effectiveness of selected chevron designs under road conditions as compared with … [Read more...] about Use of Chevron Patterns on Traffic Control Devices in Work Zones (Abridgement)
Life-Cycle Costs and Work-Zone Equipment
Article discussing the costs associated with the use of concrete barriers as compared to portable water-filled barriers. … [Read more...] about Life-Cycle Costs and Work-Zone Equipment
Work Zone Barrier Supplement to “A Guide to Standardized Highway Rail Hardware”
This interim guide is presented as a supplement to the report prepared by the American Association of State Highway and Transportation Officials - the Associated General Contractors of America - … [Read more...] about Work Zone Barrier Supplement to “A Guide to Standardized Highway Rail Hardware”
Crash Testing and Evaluation of the MGS Barrier System: Final Report
MGS Innovations, Inc. contracted with the Texas Transportation Institute to conduct safety performance evaluation of the MGS barrier system. The MGS barrier system is a transportable concrete median … [Read more...] about Crash Testing and Evaluation of the MGS Barrier System: Final Report
Cutting off corners of diamond-shaped signs when mounted on a barrier wall
Kentucky Transportation Cabinet has cut the corners of signs mounted on barrier walls in a few situations over the years. This practice was certainly not desirable, but necessary in order to … [Read more...] about Cutting off corners of diamond-shaped signs when mounted on a barrier wall