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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
B-39 NCHRP 350 D.Tarrant - Mondo Polymer Longitudinal Barriers and Bridge Rails Polymer Offset Blocks for w-beam guardrail
CC-38 NCHRP 350 Trinity/Syro Barrier Terminals and Crash Cushions ADIEM @ TL-3
LS-44A NCHRP 350 Valmont Luminaire Supports Production Model of above Breakaway Coupling
SS-73 NCHRP 350 PennDot Sign Supports, Mailboxes, and Delineator Posts "Universal" Spacer Bar for splicing u-channels
LS-46 NCHRP 350 Region 7 Luminaire Supports Nebraska and South Dakota Road Closure Gate
CC-37B NCHRP 350 (Pfeifer) Barrier Terminals and Crash Cushions Design modification
CC-37A NCHRP 350 (Sicking) Barrier Terminals and Crash Cushions Design modification
B-34B NCHRP 350 Safety Barrier Systems Longitudinal Barriers and Bridge Rails Guardian Safety Barrier - Conditional Acceptance Upgraded to Full
LS-45B NCHRP 350 Transpo Industries Luminaire Supports Production Model of Double Neck Pole Safe Coupling
SS-72 NCHRP 350 TAPCO Sign Supports, Mailboxes, and Delineator Posts V-Loc Sign Support System