Often, road construction causes the need to create a work zone. In these scenarios, portable concrete barriers (PCBs) are typically installed to shield workers and equipment from errant vehicles as … [Read more...] about Development of a MASH TL-3 Transition Between Guardrail and Portable Concrete Barriers
Crash Tests
MASH Evaluation of TxDOT High-Mounting-Height Temporary Work Zone Sign Support System
The objective of this research was to develop a nonproprietary, lightweight, crashworthy, temporary work-zone single sign support for use with an aluminum sign substrate. The device is intended to … [Read more...] about MASH Evaluation of TxDOT High-Mounting-Height Temporary Work Zone Sign Support System
More Robust DOT Oversight of Guardrails and Other Roadside Hardware Could Further Enhance Safety
In 2014, 54 percent of traffic fatalities in the United States occurred as a result of a vehicle's leaving the roadway, according to U.S. Department of Transportation's (DOT) data. Roadside safety … [Read more...] about More Robust DOT Oversight of Guardrails and Other Roadside Hardware Could Further Enhance Safety
Testing of Alternative Supporting Materials for Portable Roll-Up Signs Used for Maintenance Work Zones
Portable roll-up signs are currently used by the Texas Department of Transportation (TxDOT) for identification of short-term maintenance/work zones and emergency operations. These signs have … [Read more...] about Testing of Alternative Supporting Materials for Portable Roll-Up Signs Used for Maintenance Work Zones
Performance of New-Generation Portable Water-Filled Road Safety Barriers Under Vehicular Impact
Portable water-filled barriers (PWFB) are roadside structures used to enhance safety at roadside work-zones. Ideally, a PWFB system is expected to protect persons and objects behind it and redirect … [Read more...] about Performance of New-Generation Portable Water-Filled Road Safety Barriers Under Vehicular Impact
Impact and Energy Absorption of Portable Water-Filled Road Safety Barrier System Fitted with Foam
Portable water-filled barriers (PWFBs) are roadside appurtenances that are used to prevent errant vehicles from penetrating into temporary construction zones on roadways. A numerical model of the … [Read more...] about Impact and Energy Absorption of Portable Water-Filled Road Safety Barrier System Fitted with Foam