Rule lifecycle · RIN:2127-AN00
Federal Motor Vehicle Safety Standards; Modernization of FMVSS No. 135 To Accommodate ADS-Equipped Vehicles; Extension of Comment Period
Transportation Department, National Highway Traffic Safety Administration — observed across 2 documents over 32 days. Use the source documents below before deciding whether this affects your business.
In plain English
Federal regulators are updating vehicle safety rules to work with self-driving cars, giving automakers and others more time to comment on what the new standards should cover. If your business makes vehicle parts, manages a fleet, or insures cars, review how the changes might affect you and submit comments by August 26 if needed.
First seen
Jun 26, 2026
Last seen
Jul 28, 2026
Latest stage
Proposed Rule
PRORULE → RULE
—
Effective on
Friday, June 26, 2026
Comments close
Wednesday, August 26, 2026
Stage timeline
Proposed·Jun 26, 2026·91 FR 38593
Federal Motor Vehicle Safety Standards; Modernization of FMVSS No. 135 To Accommodate ADS-Equipped Vehicles
comments close Jul 27, 2026#2026-12981
Proposed·Jul 28, 2026·91 FR 47193
Federal Motor Vehicle Safety Standards; Modernization of FMVSS No. 135 To Accommodate ADS-Equipped Vehicles; Extension of Comment Period
effective Jun 26, 2026comments close Aug 26, 2026#2026-15231