VEHICLE ARRESTING SYSTEM-ONE WAY GUARDRAIL-PROGRAM-PHASE "C"

THE ONE WAY GUARD SYSTEM AS DESIGNED, FABRICATED, INSTALLED, AND TESTED HAS PROVED CAPABLE OF PERFORMING ALL OF ITS INTENDED FUNCTIONS. THESE FUNCTIONS BEING PRIMARILY DIRECTED AT PREVENTING AN ERRANT VEHICLE FROM REBOUNDING FROM GUARD RAIL IMPACT BACK INTO THE TRAFFIC LANE IT HAD JUST LEFT AND FURTHER TO PREVENT IT FROM CROSSING THE MEDIAN STRIP AND ENGAGING HEAD ON THE TRAFFIC IN THE OPPOSITE LANE. THESE FUNCTIONS WERE ACCOMPLISHED BY INSTALLING IN A PARALLEL CONFIGURATION TWO GUARD RAIL INSTALLATIONS OF THE SAME DESIGN WHICH WHEN IMPACTED FROM THE OUTSIDE ARE RELATIVELY FLEXIBLE, PERMITTING THE ERRANT VEHICLE TO RIDE OVER IT AND IMPACT THE SECOND GUARD RAIL ON THE INBOARD FACE. THE GUARD RAIL BY NATURE OF ITS DESIGN, IS LOAD RESISTANT WHEN IMPACTED ON THE INBOARD FACES. WITHIN THE LIMITATION OF THE TESTS CONDUCTED, THE GUARD RAIL AS DESIGNED IS SUFFICIENTLY FLEXIBLE TO PERFORM ITS ROLL OVER REQUIREMENTS WHEN IMPACTED FROM THE OUTSIDE (ROADSIDE) AND AT THE SAME TIME CAPABLE OF REACTING IMPACT LOADS ON THE INBOARD FACE (MEDIAN SIDE) EQUAL TO OR BETTER THAN ANY EXISTING ROADSIDE GUARD RAIL INSTALLATION.

• Supplemental Notes:
  • Report No ER 14745, VOL 4, 115 PP, 30 FIG, 30 REF
• Corporate Authors:

  Department of Transportation

  1200 New Jersey Avenue, SE
  Washington, DC  United States  20590

  Bureau of Public Roads /US

  400 7th Street, SW
  Washington, DC  United States  20590
• Publication Date: 1968-9

Subject/Index Terms

• TRT Terms: Frontal crashes; Guardrails; Median barriers; Motor vehicles; Opposing traffic; Prevention; Safety
• Subject Areas: Highways; Safety and Human Factors; Security and Emergencies;

Filing Info

• Accession Number: 00220576
• Record Type: Publication
• Source Agency: Nat Safety Council Safety Res Info Serv
• Files: TRIS, USDOT
• Created Date: Dec 29 1994 12:00AM