December 13, 2024 – Interpretation ID: NCC-241023-001TSEI-TIMA Letter of Interpretation 571.108 Flashing Amber Lights 12-13-2024.signed. – Auxiliary flashing lights on vehicles are illegal.
April 30, 2024 – LED Headlights Presentation to Congressional Staffer – Presentation to Congressional staffer on the impacts of LED headlights.
October, 2022 – Adaptive Driving Beam Headlighting Systems Rulemaking Support Testing – Report shows many test case scenarios fail for ADB.
October 12, 2018 – NHTSA Notice of Proposed Rulemaking: Adaptive Driving Beam – ADB is designed to promote the use of high beams, not reduce the glare from low beams.
September, 2008 – Nighttime Glare and Driving Performance: Research Findings – Glare study of vehicle headlamps. Does not include LED headlamps.