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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 Sort ascending Testing Manufacturer Hardware Type Device Description
WZ-70 NCHRP 350 Protection Services, Inc Work Zone Devices Type III barricade PSST Frame with plastic or wood rails, PSST or angle feet.
SS-94 NCHRP 350 Granger and Associates Sign Supports, Mailboxes, and Delineator Posts Partially Threaded spacer bar for u-channel posts.
SS-78A NCHRP 350 SMI Steel - Southern Post Sign Supports, Mailboxes, and Delineator Posts Add 3 PPF post
CC-36B NCHRP 350 Michael Kempen, IMPACT Absorption Barrier Terminals and Crash Cushions Vanderbilt TMA @ TL-3
WZ-68 NCHRP 350 Sign Up Corporation Work Zone Devices 27-SSX Portable Sign Stand 12-1-2000 With 48x48 RollUp
B-80 NCHRP 350 David R. Lewis, HALCO, LLC Longitudinal Barriers and Bridge Rails X-48 tubular steel gr post @ TL-3
B-49B NCHRP 350 William D. Bryson, Bryson Products, LLC Longitudinal Barriers and Bridge Rails Recycled plastic block for use w/ w-beam g.rail @ TL-3
B-74A NCHRP 350 Richard Moore, Valley Rubber, LLC Longitudinal Barriers and Bridge Rails Valley Rubber Guardrail Block
WZ-62 NCHRP 350 Flasher Handling/United Rentals Work Zone Devices Direction Indicator w/ light plastic corrugated panels Bantam II with flags, Featherweight II sign stands
SS-92 NCHRP 350 Tremex Sign Supports, Mailboxes, and Delineator Posts Plastic post, steel foundation delineator system