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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
LS-43 NCHRP 350 P&K Pole Products Luminaire Supports SB-2g Cast Al. Shoe Base for Slotted Al. Shaft, 12" BC
LS-41 NCHRP 350 P&K Pole Products Luminaire Supports TB-2A Cast Aluminum Transformer Base, 15" BC
LS-42 NCHRP 350 P&K Pole Products Luminaire Supports SB-3G Cast Aluminum Call Box Base, 8.5" BC
LS-39 NCHRP 350 P&K Pole Products Luminaire Supports BA-3 Cast Al. Breakaway Base for 10" Poles, 15" BC
LS-40 NCHRP 350 P&K Pole Products Luminaire Supports TB-2CBA Cast Al.Transformer Base for 10" Poles, 15" BC
LS-38 NCHRP 350 Component Products Luminaire Supports CPI-BAS-1 Cast Al. Breakaway Base for signals, 14" BC
LS-37 NCHRP 350 P&K Pole Products Luminaire Supports SB-2AFG Cast Al.Breakaway Base for 10" Poles
LS-36 NCHRP 350 Luminaire Supports Wyoming Road Closure Gate
LS-35 NCHRP 350 Hapco Division Luminaire Supports "X"and"Y"extruded al.slip bases, 11" & 15" BC
LS-33 NCHRP 350 Manitoba Safe-T-Base Luminaire Supports Cast iron breakaway couplings