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                Safety Eligibility Letter B-01
  
  **Hardware Type:**
            Longitudinal Barriers and Bridge Rails
                          **Code:**
            B-01
                          **Date:**
            05/31/1985
                          **Testing Criteria:**
            NCHRP 350
                          **Manufacturer:**
            (Memo to Regions)
                          **Device Description:**
            Modified Thrie Beam Guardrail (Operational) U.S. DEPARTMENT OF TRANSPORTATION

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