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                Safety Eligibility Letter WZ-78A
  
  **Hardware Type:**
            Work Zone Devices
                          **Code:**
            WZ-78A
                          **Date:**
            06/15/2001
                          **Testing Criteria:**
            NCHRP 350
                          **Manufacturer:**
            Eastern Metal/USA-Sign
                          **Device Description:**
            Model E-350 Econo Stand, Model X-842 stand, Model X-880 stand, Model X-552 stand (Replaces unissued WZ-78)
                          **View PDF:**
            wz78a.pdf (422.68 KB) U.S. DEPARTMENT OF TRANSPORTATION

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