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                Safety Eligibility Letter B-57
  
  **Hardware Type:**
            Longitudinal Barriers and Bridge Rails
                          **Code:**
            B-57
                          **Date:**
            10/08/1999
                          **Testing Criteria:**
            NCHRP 350
                          **Manufacturer:**
            Aloha Plastic Recycling, Inc.
                          **Device Description:**
            Recycled Polyethylene Block
                          **View PDF:**
            b-57.pdf (1.56 MB) U.S. DEPARTMENT OF TRANSPORTATION

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