Transportation Department, National Highway Traffic Safety Administration
In response to a request from Varnum LLP (Varnum), NHTSA is announcing a 30-day extension of the public comment period for the notice of proposed rulemaking (NPRM) published on June 26, 2026 proposing to amend Federal Motor Vehicle Safety Standard (FMVSS) No. 135, "Light vehicle brake systems." The proposed modifications would distinguish how regulations apply to vehicles with and without manually operated driving controls. The comment period for the NPRM was originally scheduled to end on July 27, 2026. It will now end on August 26, 2026.
Document Headings Document headings vary by document type but may contain the following: the agency or agencies that issued and signed a document the number of the CFR title and the number of each part the document amends, proposes to amend, or is directly related to the agency docket number / agency internal file number the RIN which identifies each regulatory action listed in the Unified Agenda of Federal Regulatory and Deregulatory Actions See the Document Drafting Handbook for more details. Department of Transportation National Highway Traffic Safety Administration 49 CFR Part 571 [Docket No. NHTSA-2026-0728] RIN 2127-AN00 ( printed page 47193) AGENCY: National Highway Traffic Safety Administration (NHTSA), Department of Transportation (DOT). ACTION: Extension of comment period. SUMMARY: In response to a request from Varnum LLP (Varnum), NHTSA is announcing a 30-day extension of the public comment period for the notice of proposed rulemaking (NPRM) published on June 26, 2026 proposing to amend Federal Motor Vehicle Safety Standard (FMVSS) No. 135, “Light vehicle brake systems.” The proposed modifications would distinguish how regulations apply to vehicles with and without manually operated driving controls. The comment period for the NPRM was originally scheduled to end on July 27, 2026. It will now end on August 26, 2026. DATES: The comment period for the NPRM published at 91 FR 38593 on June 26, 2026, is extended to August 26, 2026. ADDRESSES: You may submit comments identified by the docket number in the heading of this document through any of the following methods: Electronic submissions: Go to the Federal eRulemaking Portal at http://www.regulations.gov . Follow the online instructions for submitting comments. Fax: (202) 493-2251. Mail or Hand Delivery: Docket Management, U.S. Department of Transportation, 1200 New Jersey Avenue SE, West Building, Suite W58-213, Washington, DC 20590, between 9 a.m. and 5 p.m., Monday through Friday, except on Fe…
Other Federal Register documents from the same docket.
Citation: 91 FR 47193
