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
																								DateSort ascending
																								Testing
																								Manufacturer
																								Hardware Type
																								Device DescriptionB-08
																																				June 7, 1989
																																				NCHRP 350
																																				International Barrier Corp.
																																				Longitudinal Barriers and Bridge Rails
																																				Special Assemblies and transitions for the IBC MK-7 sand filled barrier (Operational)SS-11
																																				May 18, 1989
																																				NCHRP 350
																																				Allied Tube & Conduit
																																				Sign Supports, Mailboxes, and Delineator Posts
																																				Quick-Punch post -  Max size 2.25 x 2.25" x 14 ga. in unreinforced 12 ga. sleeve base.SS-10
																																				May 11, 1989
																																				NCHRP 350
																																				HwyCom Corp.
																																				Sign Supports, Mailboxes, and Delineator Posts
																																				3-Inch Diameter, 1/8 in. wall, fiber-reinforced plastic post. (see SS-12)B-07
																																				April 19, 1989
																																				NCHRP 350
																																				The Neel Company
																																				Longitudinal Barriers and Bridge Rails
																																				Concrete Barrier Drainage System (operational)SS-09A
																																				April 7, 1989
																																				NCHRP 350
																																				Franklin Steel
																																				Sign Supports, Mailboxes, and Delineator Posts
																																				Specify steel as ASTM A499-81, Grade 60CC-10
																																				April 7, 1989
																																				NCHRP 350
																																				Energy Absorption Systems, Inc
																																				Barrier Terminals and Crash Cushions
																																				SENTRE guardrail terminal (Operational)CC-09
																																				April 5, 1989
																																				NCHRP 350
																																				Connecticut DOT
																																				Barrier Terminals and Crash Cushions
																																				Narrow Connecticut Impact Attenuation System (NCIAS) (Experimental)LS-06
																																				April 4, 1989
																																				NCHRP 350
																																				Shakespeare Products
																																				Luminaire Supports
																																				Direct Burial Fiberglass Light Poles Series BH20, BH24, BH30, BH35, BS30, BS35, BX30, BX35, BA41, BA47, BB30, BB35, BB41, BB47, BC30, BC35, BC41, BC47SS-08
																																				March 31, 1989
																																				NCHRP 350
																																				Unistrut Corp.
																																				Sign Supports, Mailboxes, and Delineator Posts
																																				TELESPAR small sign supports  max size 2 1⁄2 x 2 1⁄2 in. x 12 ga.B-06
																																				March 29, 1989
																																				NCHRP 350
																																				Delta Design and Development
																																				Longitudinal Barriers and Bridge Rails
																																				Tri-D Breakaway Delineator Post (Operational)
  Pagination
    «
            « First
                          ‹
            ‹‹
                          ...
                          119
              120
              121
              122
              123
              124
              125
              126
              127
                          ...
                          ›
            ››
                          »
            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