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                        Hardware Eligibility Letters


            
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  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-87A
																																				September 14, 2001
																																				NCHRP 350
																																				Eastern Metal/USA-Sign
																																				Work Zone Devices
																																				Revisions to previous acceptancesWZ-71
																																				March 23, 2001
																																				NCHRP 350
																																				St. Louis Steel Products
																																				Work Zone Devices
																																				PSST Barricades 12-7-2000WZ-56
																																				October 12, 2000
																																				NCHRP 350
																																				Eastern Metal
																																				Work Zone Devices
																																				Various portable sign stands and a barricade.WZ-41#1
																																				June 20, 2003
																																				NCHRP 350
																																				United Rentals
																																				Work Zone Devices
																																				Type II Barricades solid polyethylene panels 0.350 inch thickWZ-28
																																				March 3, 2000
																																				NCHRP 350
																																				Marketing Displays International
																																				Work Zone Devices
																																				Portable Sign StandsWZ-15
																																				July 30, 1999
																																				NCHRP 350
																																				WLI WLI Industries, Inc.
																																				Work Zone Devices
																																				SafetyCade Extended Vertical Panel BarricadeWZ-03(c)
																																				
																																				NCHRP 350
																																				TTI Report, Note 2
																																				Work Zone Devices
																																				1) Type III Hollow Core Plastic Barricade4 (see Figure II.9 "Figure 1.")(Vertical braces were added to support the panels prior to putting them in place on the barricade.)
2) Type III Perforated Tubing Barricade (3.7 m) (see Figure II.10 "Figure 2.")
(Vertical braces added, as noted above. Base connection detail also modified. Acceptable with 1x8 wood or hollow core plastic rails.) 
3) Type III perforated Tubing Barricade (1.2 m) (see Figure II.11 "Figure 3.")
(Vertical braces added, as noted above. Base connection detail also modified. Acceptable with 1x8 wood or hollow core plastic rails.) 
4) HwyCom Fiberglass Type III Barricade with plastic panels (see Figure II.12 "Figure 4.") (Round 76-mm diameter fiberglass pipes were used as the supports.)
5) Price Fiberglass Type III Barricade (see Figure II.13 "Figure 5.") (89 mm x 32 mm x 6.4 mm fiberglass U-channel supports were used.)
6) Spring-loaded Portable Sign Support (3) (see Figure II.14 "Figure 7") (Tested with mounting height of 610-mm.)
7) Ground-mounted Type III barricade (see Figure II.15 "Figure 8.") (Steel supports ground mounted in Poz-Loc sockets. Also acceptable with fiberglass supports in a "Universal" anchor, and with perf. square steel tubes in anchors.)
8) Vertical Panel Assembly (three shown in Figure II.16 "Figure 11.") (Plywood panels mounted on wood, steel angle, and plastic c-channel posts.)
9) Skid-mounted Sign Support. (See Figure II.17
"Figure 10.") (No modifications, but was tested end-on.)WZ-324
																																				December 18, 2013
																																				NCHRP 350
																																				Bone Signs
																																				Work Zone Devices
																																				SZ-412 X-Footprint  Sign Stand with Modified MastWZ-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.
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