This article discusses the effects NCHRP-350 crashworthiness requirements will have on state and local transportation departments, road contractors, and the manufacturers of work zone devices. … [Read more...] about FHWA Ruling on NCHRP-350 May Change Face of Work Zones
Crash Tests
A Truck-Mounted Portable Maintenance Barrier
A truck-mounted portable maintenance barrier is described. The barrier is designed to provide a reasonable degree of positive protection in short-duration work zones where it is not practical to use … [Read more...] about A Truck-Mounted Portable Maintenance Barrier
Applications of Recycled Materials in Roadside Safety Devices
This report summarizes the first phase of a three-phase research program intended to evaluate the use of recycled materials in roadside safety devices. Researchers obtained information regarding … [Read more...] about Applications of Recycled Materials in Roadside Safety Devices
Recommended Procedures for the Safety Performance Evaluation of Highway Features
Procedures are presented for conducting vehicle-crash tests and in- service evaluation of roadside safety features or appurtenances including (1) longitudinal barriers such as bridge rails, … [Read more...] about Recommended Procedures for the Safety Performance Evaluation of Highway Features
Portable Traffic Barrier for Work Zones
A portable, positive construction zone barrier is described. The barrier is suitable for use at sites where work will take as little as several hours. It is constructed from used cars and thrie-beam … [Read more...] about Portable Traffic Barrier for Work Zones
Evaluation of Plastic Drum Specifications
The Texas Department of Transportation (TxDOT) developed a draft specification for plastic drums which outlines the desired properties and characteristics of a plastic drum and specifies certain … [Read more...] about Evaluation of Plastic Drum Specifications