A variety of traffic control devices are used to control and guide motorists approaching and traveling through a work zone. Ensuring that these devices are crashworthy is critical to the safety of … [Read more...] about Installing and Maintaining Crashworthy Work Zone Traffic Control Devices
Crash Tests
Development of Transition Between Free-Standing and Reduced-Deflection Portable Concrete Barriers
Portable concrete barriers (PCBs) are often used in applications where limited deflection is desired during vehicle impacts, such as bridge decks and work zones. In an earlier study, a reduced … [Read more...] about Development of Transition Between Free-Standing and Reduced-Deflection Portable Concrete Barriers
Development of a Precast Slim Temporary Concrete Safety Barrier STCSB 50 for Work Zone Applications
Selecting proper restraint systems for road work zone areas is essential in ensuring the safety of motorists and construction workers as well as preventing occurrence of severe accidents. Regulations … [Read more...] about Development of a Precast Slim Temporary Concrete Safety Barrier STCSB 50 for Work Zone Applications
Safety Performance Evaluations for the Vehicle Based Movable Barriers Using Full Scale Crash Tests
The present study aims to develop a prototype of large-size movable barriers to protect roadside workers from incoming vehicles to the road work area with the following functions: maximization of work … [Read more...] about Safety Performance Evaluations for the Vehicle Based Movable Barriers Using Full Scale Crash Tests
Development of a Test Level 3 Transition Between Guardrail and Portable Concrete Barriers
Road construction often requires that work zones be created and shielded by portable concrete barriers (PCBs) to protect workers and equipment from errant vehicles as well as to prevent motorists from … [Read more...] about Development of a Test Level 3 Transition Between Guardrail and Portable Concrete Barriers
Testing and Evaluation of MASH TL-3 Transition Between Guardrail and Portable Concrete Barriers
Three full-scale vehicle crash tests were conducted according to the Manual for Assessing Safety Hardware (MASH) Test Level 3 (TL- 3) safety performance criteria on a transition between the Midwest … [Read more...] about Testing and Evaluation of MASH TL-3 Transition Between Guardrail and Portable Concrete Barriers