A low-profile portable concrete barrier (PCB) has been developed for use in low-speed [approximately 45 mph (73 km/hr) or less] work zones. The purpose of the low-profile barrier is to shield the work … [Read more...] about Development of a Low-Profile Portable Concrete Barrier
Crash Tests
Two-Dimensional Modeling of Collision Dynamics of Deflecting Concrete Barriers
Freestanding concrete highway barriers were originally implemented for work-zone applications. These barriers are becoming more widespread in their use and have been implemented in some innovative … [Read more...] about Two-Dimensional Modeling of Collision Dynamics of Deflecting Concrete Barriers
Signs on Breakaway Barricades – Wind and Crash Tests
Work zone informational sign panels are often mounted on portable wood or metal frames and used for changing traffic operations in New Jersey work zones. At times, these portable signs are placed … [Read more...] about Signs on Breakaway Barricades – Wind and Crash Tests
Wentz Forecasts Work-Zone Device Certification Changes
ATSSA Executive Director, Mr. Richard Wentz, reported that in the future, the FHWA will probably no longer issue letters of acceptance in regard to work zone devices that meet NCHRP 350 criteria. We … [Read more...] about Wentz Forecasts Work-Zone Device Certification Changes
Roadside Safety: Drivers Benefit from Institute Research on Impact Attenuators
The article in the Roadside Safety Section gives background information on the Southwest Research Institute and what they do. This article discusses the Crash Cushion Attenuating Terminal (CAT). It is … [Read more...] about Roadside Safety: Drivers Benefit from Institute Research on Impact Attenuators
Selecting a Sign Support System for Low Volume Roads and Streets
This article discusses what type of sign support system should be used for low volume roads and streets. The MUTCD is noted as a source for reference on the topic. It specifically mentions the NCHRP … [Read more...] about Selecting a Sign Support System for Low Volume Roads and Streets