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    CLICK ON BELOW TO SEE GRAPHS:

     

    • [ACTIVE] NCHRP Project 22-23 Criteria for Restoration of Longitudinal Barriers

    • 2003 In-Service Performance of Traffic Barriers. NCHRP Report 490

    • 1999 Crash Test Report: NCHRP Report 350 Test 3-11 of the Strong Wood Post Thrie Beam Guardrail

    • 1999 NCHRP Report 350 Test 4-12 of the Modified Thrie Beam Guardrail (TL-4)

    • 1997 Guardrail and Median Barrier Crashworthiness: A Synthesis of Highway Practice. NCHRP Synthesis 244

    • 1994 Highway Guardrails: Safety Feature or Roadside Hazard? Journal of the Transportation Research Board, No. 1468

    • ATSSA Paper: W-Beam Guardrail Reduces the Number and Severity of Run-Off-Road Crashes

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    GSI is a leading producer and supplier of steel bridge rails, pedestrian rails, handrails, highway guardrail, traffic safety products, traffic control products, and attenuators to the highway, bridge, and utility construction markets.

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