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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
LS-58 NCHRP 350 Akron Foundry Luminaire Supports Cast Aluminum Transformer Base
LS-57r NCHRP 350 Akron Foundry Luminaire Supports TB1-17 breakaway cast aluminum transformer base
LS-56 NCHRP 350 Akron Foundry Luminaire Supports T-Base breakaway cast aluminum
LS-54 NCHRP 350 Component Products, Incorporated Luminaire Supports Cast Aluminum pedestal bases
LS-57 NCHRP 350 Akron Foundry Luminaire Supports TB1-17 breakaway cast aluminum transformer base
LS-52 NCHRP 350 Valmont Industries, Inc. Luminaire Supports Breakaway Coupling
LS-53 NCHRP 350 Akron Foundry Luminaire Supports TS-1000 Threaded Traffic Signal Pedestal Base and TS-1000 Modified Threaded Traffic Signal Pedestal Base
LS-51 NCHRP 350 Foster Miller Luminaire Supports Utility Pole breakaway coupling Guy wire
LS-50 NCHRP 350 DE Technologies, Inc. Luminaire Supports Energy Absorbing Composite Utility Pole
LS-49 NCHRP 350 UTD, Inc Luminaire Supports UTD Safety Link