NHTSA Motor Vehicle Equipment Testing Exemption (Interstate Commerce)

Current understanding

To be populated as evidence accumulates.

Evidence log

• 2026-07-31 — Temporary Exemption From Motor Vehicle Safety and Bumper Standards: cross-connection with nhtsa-temporary-exemption-fmvss-bumper: Both govern NHTSA exemption mechanisms from federal motor vehicle safety requirements; the Part 555 amendment broadens the pool of vehicles eligible for temporary FMVSS/bumper exemptions. (novelty: 2)
• 2025-02-07 — No Kill Switches in Cars Act: Related NHTSA statutory activity: HR1137 (No Kill Switches in Cars Act) would repeal the Title 49 directive requiring NHTSA to issue an FMVSS on advanced impaired driving prevention technology, reflecting a broader congressional trend of adjusting NHTSA’s statutory rulemaking obligations. (novelty: 2)
• 2026-06-26 — Federal Motor Vehicle Safety Standards; Modernization of FMVSS No. 135 To Accommodate ADS-Equipped Vehicles: Related NHTSA modernization effort: proposed amendment to FMVSS No. 135 would distinguish brake-standard requirements for ADS-equipped vehicles with vs. without manual driving controls, complementing testing-focused statutory carve-outs by adapting core safety standards themselves. (novelty: 3)
• 2026-06-03 — A bill to amend title 49, United States Code, to allow the introduction of certain noncompliant motor vehicle equipment in interstate commerce for testing purposes, and for other purposes.: Senate bill (S.4679, 119th Congress) introduced to amend Title 49 U.S.C. to permit noncompliant motor vehicle equipment to enter interstate commerce for testing purposes; referred to Senate Committee on Commerce, Science, and Transportation. (novelty: 2) (novelty: 2)

Open questions

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