USA Banner
  U.S. flag
              An official website of the United States government Here's how you knowOfficial US Government Icon
              **Official websites use .gov**A **.gov** website belongs to an official government organization in the United States.
            Secure Site Icon
              **Secure .gov websites use HTTPS**
                  A **lock** ( A locked padlock ) or **https://** means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites. 
 U.S. Department of Transportation Icon United States Department of Transportation
 Search DOT
            Search
                    About FHWAFHWA Organization
                Headquarters Offices
                Field Offices
                Strategic Plan
                Business Opportunities
                Staff Directories
                Careers
                Highway History
                Contact UsProgramsAcquisition Management
                Civil Rights
                Federal Lands Highway
                Infrastructure
                Innovative Program Delivery
                Operations
                Planning, Environment, and Realty
                Policy
                Research, Development, and Technology
                Safety
                Browse by TopicsResourcesCore Highway Topics
                Federal Aid Essentials
                Automation
                Complete Streets
                Laws and Regulations
                Policy & Guidance Center
                Section 508
                Publications and Statistics
                Professional Development
                National Highway Institute
                Resource Center
                Accessibility Resource Library
                FHWA Research LibraryNewsroomPress Releases
                Speeches & Testimony
                Photos
                Videos
                Media ContactsMenu FHWA Highway Safety Programs Home
                        Safety
                        Roadway Departure Safety
                        Reduce Crash Severity
                        Hardware Eligibility Letters


            
            In This Section
  

  Roadway Departure Safety
                Strategic Approach
                Keep Vehicles on the Road
                Provide for a Safe Recovery
                Reduce Crash Severity
                Focus on Reducing Rural Roadway Departures (FoRRRwD)
                
                Archived Hardware Eligibility Letters – NCHRP 350
These letters are archived and are posted for "historical and research purposes only" per the sunset dates in the AASHTO/FHWA Joint Implementation Agreement and exceptions to these dates as posted on the AASHTO Committee on Design website.SearchHardware Type
                    
- Any -Barrier Terminals and Crash CushionsLongitudinal Barriers and Bridge RailsLuminaire SupportsSign Supports, Mailboxes, and Delineator PostsWork Zone DevicesStart DateEnd Date
    Letter
																								Date
																								TestingSort descending
																								Manufacturer
																								Hardware Type
																								Device DescriptionWZ-166
																																				November 12, 2003
																																				NCHRP 350
																																				Plastic Safety Systems
																																				Work Zone Devices
																																				Type III Barricade with anchor base system and MVP vertical panelWZ-147
																																				April 1, 2003
																																				NCHRP 350
																																				Reflexite
																																				Work Zone Devices
																																				Endurance 10 mm equivalenceWZ-131
																																				September 16, 2002
																																				NCHRP 350
																																				Sonoblaster
																																				Work Zone Devices
																																				Intrusion DetectorWZ-115
																																				June 7, 2002
																																				NCHRP 350
																																				United Rentals Highway Technologies
																																				Work Zone Devices
																																				Portable Sign TrailerWZ-103
																																				January 1, 2001
																																				NCHRP 350
																																				Eastern Metal / USA Sign
																																				Work Zone Devices
																																				Additional signs on tested standsWZ-94
																																				September 27, 2001
																																				NCHRP 350
																																				United Rentals
																																				Work Zone Devices
																																				High SafetyCor X-Tube Speed Limit Sign #128WZ-78A
																																				June 15, 2001
																																				NCHRP 350
																																				Eastern Metal/USA-Sign
																																				Work Zone Devices
																																				Model E-350 Econo Stand, Model X-842 stand, Model X-880 stand, Model X-552 stand (Replaces unissued WZ-78)WZ-63
																																				December 6, 2000
																																				NCHRP 350
																																				Davidson Plastics
																																				Work Zone Devices
																																				Modifications to T3B Type III Barricade, including lightsWZ-49
																																				August 22, 2000
																																				NCHRP 350
																																				Empco-Lite
																																				Work Zone Devices
																																				Lighted Type I and Type II BarricadesWZ-35
																																				March 23, 2000
																																				NCHRP 350
																																				Service Signing, L.C.
																																				Work Zone Devices
																																				Traffic Control Devices
  Pagination
    «
            « First
                          ‹
            ‹‹
                          ...
                          115
              116
              117
              118
              119
              120
              121
              122
              123
                          ...
                          ›
            ››
                          »
            Last » U.S. DEPARTMENT OF TRANSPORTATION

**Federal Highway Administration**

1200 NEW JERSEY AVENUE, SE

WASHINGTON, DC 20590

202-366-4000Subscribe to email updates
                    About
  

        
              About FHWA
                Careers
                Org Chart
                Staff Directories
                Work with UsPrograms
  

        
              Acquisition Management
                Civil Rights
                Federal Lands Highway
                Infrastructure
                Innovative Program Delivery
                Operations
                Planning, Environment, and Realty
                Policy
                Research, Development, and Technology
                SafetyPolicies, Rights, Legal
  

        
              About DOT
                Accessibility
                Budget and Performance
                Civil Rights
                FOIA
                Information Quality
                No FEAR Act
                Office of Inspector General
                Privacy Policy
                USA.gov
                Web Policies and Notices
                Web StandardsNews & Events
  

        
              Newsroom
                Press Releases
                Speeches & Testimony
                Media Contacts
                Connect with Us