---
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id: government-20260728-8ffced
content_kind: government-document
url: https://www.federalregister.gov/documents/2026/07/28/2026-15231/federal-motor-vehicle-safety-standards-modernization-of-fmvss-no-135-to-accommodate-ads-equipped
url_hash: 8ffced060d1b262179cfa2bb175a9e2b0d409d8dcbecb7b3705fd0e11a5d9ded
canonical_url: https://www.federalregister.gov/documents/2026/07/28/2026-15231/federal-motor-vehicle-safety-standards-modernization-of-fmvss-no-135-to-accommodate-ads-equipped
source: us-federal-register
category: government/us
category_raw: Proposed Rule
country: us
region: us
tags: []
lang: en
published_at: '2026-07-28T00:00:00Z'
fetched_at: '2026-07-28T09:01:29.556811Z'
updated_at: '2026-07-28T09:05:54Z'
status: published
content_hash: ff12b9470f85a9f7c3a02613568046737f316be736de39126c134234561fe92a
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license_note: full
license_basis: public-domain-17usc105
body_available: false
attribution: 'Source: Office of the Federal Register, National Archives and Records
  Administration'
license_rule: source:us-federal-register
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.
summary_source: official
summary_en: 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.
provenance:
  doc_id: 2026-15231
  doc_id_scheme: fr_docnum
  issuer:
  - Transportation Department
  - National Highway Traffic Safety Administration
  doc_type: Proposed Rule
  subtype: null
  action: Extension of comment period.
  significant: null
entities:
- name: Federal Agencies
  type: organization
- name: sports_motorsport
  type: TopicSub
- name: Vehicle Motion Cues
  type: concept
- name: safety culture
  type: concept
key_facts: []
related: []
related_auto:
- name: biz_industry
  type: TopicSub
  weight: 5.0
- name: SharePoint
  type: artifact
  weight: 1.0
- name: Technology
  type: concept
  weight: 1.0
title: Federal Motor Vehicle Safety Standards; Modernization of FMVSS No. 135 To Accommodate
  ADS-Equipped Vehicles; Extension of Comment Period
---

# Federal Motor Vehicle Safety Standards; Modernization of FMVSS No. 135 To Accommodate ADS-Equipped Vehicles; Extension of Comment Period

## TL;DR
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.

## Key Points
- (なし)

## Details
(本文なし。リンク先参照)

## Source
元記事: [Federal Motor Vehicle Safety Standards; Modernization of FMVSS No. 135 To Accommodate ADS-Equipped Vehicles; Extension of Comment Period](https://www.federalregister.gov/documents/2026/07/28/2026-15231/federal-motor-vehicle-safety-standards-modernization-of-fmvss-no-135-to-accommodate-ads-equipped) — published 2026-07-28T00:00:00Z