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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
B-84 NCHRP 350 IN DOT Longitudinal Barriers and Bridge Rails 10-ft F-shape barrier w/pin&loop connection @ TL-3
LS-51 NCHRP 350 Foster Miller Luminaire Supports Utility Pole breakaway coupling Guy wire
WZ-104 NCHRP 350 PMG Lobo Limited Work Zone Devices Sentinel Type III Plastic Panel Barricade 10-24-01
B-93 NCHRP 350 OH DOT Longitudinal Barriers and Bridge Rails 10' NJ shape barrier w/ pin and loop connections @ TL-3
SS-68G NCHRP 350 Xcessories Squared Sign Supports, Mailboxes, and Delineator Posts Modification to 10-inch 3-bolt slip bases – Three within a 7 foot span
WZ-88 NCHRP 350 Barricade Light and Rental Work Zone Devices Vertical Panel 2000’s and Type II Barricades
SS-68H NCHRP 350 Xcessories Squared Sign Supports, Mailboxes, and Delineator Posts Modification to 8-inch 3-bolt slip bases – Revised concrete footer for weak soil
SS-103 NCHRP 350 Marion Steel Company Sign Supports, Mailboxes, and Delineator Posts Slip Safe for use with square steel tube posts
WZ-84 NCHRP 350 Protection Services, Inc Work Zone Devices Big Foot Type II Barricade w/ and w/o lite, three foot panel as well as two foot panel
SS-101 NCHRP 350 BMK Corporation Sign Supports, Mailboxes, and Delineator Posts Polecrete Postloc foaming polyurethane backfill product