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                Safety Eligibility Letter B-21A
  
  **Hardware Type:**
            Longitudinal Barriers and Bridge Rails
                          **Code:**
            B-21A
                          **Date:**
            09/27/1994
                          **Testing Criteria:**
            NCHRP 350
                          **Manufacturer:**
            (supplement to B-21)
                          **Device Description:**
            Additional information on application of Triton
                          **View PDF:**
            b21a.pdf (78.37 KB) U.S. DEPARTMENT OF TRANSPORTATION

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