As collisions with fixed objects are a leading cause of traffic fatalities in Texas, TxDOT is proposing changes to improve the crash worthiness of barricades and sign supports. This article discusses … [Read more...] about New Design Standards for Streets and Highways
Crash Tests
Approach Guardrail Transition for Concrete Safety Shape Barriers
An approach guardrail transition, consisting of three-beam guardrail, steel posts, structural tube spacer blockouts, and a New Jersey connector plate, was developed and full-scale crash tested for use … [Read more...] about Approach Guardrail Transition for Concrete Safety Shape Barriers
Crash Tests of Work Zone Traffic Control Devices
Full-scale vehicle crash tests were used to evaluate performance of typical work zone traffic control devices. Modified test procedures and evaluation criteria from National Cooperative Highway … [Read more...] about Crash Tests of Work Zone Traffic Control Devices
Crash Testing and Evaluation of Work Zone Barricades
Proper traffic control and delineation are critical to achieving safety in work zones. However, the work zone traffic control devices themselves may pose a safety hazard to vehicle occupants or work … [Read more...] about Crash Testing and Evaluation of Work Zone Barricades
Questions and Answers About Crash Testing of Work Zone Safety Appurtenances
This document presents questions and comments from State transportation agencies, industry, and FHWA regarding NCHRP 350. General questions as well as questions on channelizing devices, signs, … [Read more...] about Questions and Answers About Crash Testing of Work Zone Safety Appurtenances
NCHRP Report 350 Compliance Tests on Rockingham Precast Concrete Barriers
Rockingham Precast has developed a connection for the F-shaped Concrete Median Barrier (CMB). The connection is similar to the New York design in that it consists of a T-shape connector that slides … [Read more...] about NCHRP Report 350 Compliance Tests on Rockingham Precast Concrete Barriers