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
Guardrails
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
Development of a MASH TL-3 Transition Between Guardrail and Portable Concrete Barriers
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
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
W-Beam Guardrail Repair and Maintenance
This document was prepared under the Rural Transportation Assistance Program Project 70 by the Technology Transfer Center, Iowa State University, Ames, Iowa, and disseminated under the sponsorship of … [Read more...] about W-Beam Guardrail Repair and Maintenance
Salvaged and/or re-galvanized guardrail on construction projects
Alabama allows the use of salvaged guardrail as indicated on plans for guardrail reset. -Under what circumstances will the state agency authorize its use? Guardrail to be salvaged will be indicated … [Read more...] about Salvaged and/or re-galvanized guardrail on construction projects