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                Safety Eligibility Letter WZ-04
  
  **Hardware Type:**
            Work Zone Devices
                          **Code:**
            WZ-04
                          **Date:**
            05/29/1998
                          **Testing Criteria:**
            NCHRP 350
                          **Manufacturer:**
            Woudenberg Enterprises
                          **Device Description:**
            MSi Durastem Vertical Panel, with lightweight warning light attached.
                          **View PDF:**
            wz-4.pdf (668.54 KB) U.S. DEPARTMENT OF TRANSPORTATION

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