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FHWA Highway Safety Programs

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.

Letter Date Testing Manufacturer Hardware Type Device Description
CC-03 NCHRP 350 ----- Barrier Terminals and Crash Cushions Eccentric Loader guardrail terminal (Experimental) (FHWA Tech. Advisory)
B-02 NCHRP 350 International Barrier Corp. Longitudinal Barriers and Bridge Rails IBC Sand Filled Barrier (MK-7) (Operational)
B-01 NCHRP 350 (Memo to Regions) Longitudinal Barriers and Bridge Rails Modified Thrie Beam Guardrail (Operational)
B-01A NCHRP 350 Longitudinal Barriers and Bridge Rails
CC-02 NCHRP 350 Syro Steel Co Barrier Terminals and Crash Cushions Controlled Releasing Terminal (CRT) (Experimental) (FHWA Bulletin)
CC-01 NCHRP 350 Energy Absorption Systems, Inc Barrier Terminals and Crash Cushions SENTRE guardrail terminal (experimental) [see CC-10]
WZ-03(g) NCHRP 350 Wyoming DOT Work Zone Devices Wood Type III Barricade (150-mm square wood horizontals and uprights, 3000-mm wide panels. See AASHTO Roadside Design Guide Figure 9.18. Mass of tested unit was 150 kg, not 725 as shown.)
WZ-03(d) NCHRP 350 Flasher Handling Work Zone Devices Air Spill Barricade. Flexible vertical panel fixed to a 44.5-mm wide, 1170-mm tall fiberglass support. Support is fixed to a low-profile rubber base.(See Figure II.18)
WZ-03(a) NCHRP 350 TTI for Texas D.O.T. Work Zone Devices TTI tested numerous work zone traffic control devices. All the devices listed here were successfully tested in these two crash test programs and met TL-3 criteria. The attached drawings illustrate the tested hardware but do not necessarily provide enough information to fabricate the device. The crash testing is fully documented in the two reports1,2 which should be consulted for additional details of the hardware
WZ-03(f) NCHRP 350 Nevada DOT Work Zone Devices Breakaway Type III Barricade (PVC Pipe, cable or rope through all pipes). See FHWA Implementation Package
IP 75-6 "Breakaway Barricades". See Figures II.19 and II.20 (Drawings A-8 & A-9) of the final designs.