The purpose of this engineering bulletin (EB 00-064) is to provide information to project field staff about the four categories of work zone devices and the requirements for them. … [Read more...] about FHWA/AASHTO Safety Agreement
Crash Tests
Safety Barrier Design’s First Test Is Virtual
Using a "high-performance" computer and simulation software, a University of Florida research team tested several barrier designs before devising one that met the state's criteria for construction on … [Read more...] about Safety Barrier Design’s First Test Is Virtual
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
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
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
International Harmonization of Testing and Evaluation Procedures for Roadside Safety Features – German Testing Procedures
This Circular contains the proceedings of a workshop sponsored by the Transportation Research Board (TRB) Committee A1A04 on Roadside Safety Features and the Federal Highway Administration. The … [Read more...] about International Harmonization of Testing and Evaluation Procedures for Roadside Safety Features – German Testing Procedures