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
																								Testing
																								Manufacturer
																								Hardware TypeSort descending
																								Device DescriptionWZ-305
																																				October 21, 2011
																																				NCHRP 350
																																				Plasticade Products
																																				Work Zone Devices
																																				Econocade Type I & II BarricadeWZ-283
																																				July 1, 2009
																																				NCHRP 350
																																				Econo Brother model 3200
																																				Work Zone Devices
																																				Temporary sign stand with 12 inch mounting height measured to bottom of sign.WZ-269
																																				January 24, 2008
																																				NCHRP 350
																																				Eastern Metal / USA Sign
																																				Work Zone Devices
																																				X-840 series sign stand, at 7 ft mounting heightWZ-252
																																				June 1, 2007
																																				NCHRP 350
																																				Traffix Devices
																																				Work Zone Devices
																																				Premier Panel Vertical PanelWZ-236
																																				May 3, 2006
																																				NCHRP 350
																																				Trafficade Service
																																				Work Zone Devices
																																				HD 3612 Sign StandWZ-220
																																				January 13, 2006
																																				NCHRP 350
																																				Yodock
																																				Work Zone Devices
																																				Slimline Channelizer  Model 2001SLWZ-203
																																				February 23, 2005
																																				NCHRP 350
																																				Oregon DOT, Generic
																																				Work Zone Devices
																																				Single Wood Post Temporary SignWZ-189
																																				February 8, 2005
																																				NCHRP 350
																																				TrafFix Devices
																																				Work Zone Devices
																																				Looper Cone, Metro A Cade, Big Buster Sign Stand, Phoenix sign standWZ-176
																																				March 25, 2004
																																				NCHRP 350
																																				Impact Recovery Systems
																																				Work Zone Devices
																																				Vertical panel and directional indicator barricade with the Empco-Lite Y2K lightWZ-155
																																				June 9, 2003
																																				NCHRP 350
																																				Western Highway
																																				Work Zone Devices
																																				Use of Ulti-Mate Perforated Square Stell Tube posts as components of crashworthy Type III barricades
  Pagination
    «
            « First
                          ‹
            ‹‹
                          ...
                          120
              121
              122
              123
              124
              125
              126
              127
              128
                                      ›
            ››
                          »
            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