The National Highway Traffic Safety Administration's proposal would replace capped, per vehicle exemptions with a purpose built federal standard for cars without human controls, shifting the safety bottleneck from hardware rules to performance oversight of self driving systems.
The U.S. is about to stop making companies ask permission to deploy a car without a brake pedal.
That is the practical effect of a proposed rule filed by the National Highway Traffic Safety Administration (NHTSA) on June 26, the date the Notice of Proposed Rulemaking (NPRM) appears in the Federal Register. TechCrunch and CNBC published reporting on the proposal on June 25, one day before the formal Federal Register filing, according to those outlets — a sequence that suggests early agency access or an administration pre-announcement, though NHTSA has not publicly explained how the press obtained the details ahead of the official notice.
The notice proposes dropping brake-pedal requirements for vehicles built exclusively for automated driving systems (ADS), the federal term for cars with no human controls at all.
The agency framed the change as a modernization of FMVSS for ADS-equipped vehicles, opening a 30-day public comment period before any final rule. Brake pedals are not a stand-alone tweak. They are the most visible piece of a sequenced rewrite of equipment rules for cars without steering wheels or foot pedals. NHTSA already moved in late 2025 on windshield wipers, defoggers, and tire-marking requirements, and a brake-pedal exemption is the natural next domino.
The mechanism is what matters. Today, a company that wants to deploy a vehicle without a brake pedal must apply for a per-vehicle federal exemption from NHTSA, and even successful exemptions are capped in deployment volume, according to CNBC. That two-track system, capped exemptions plus case-by-case approval, has been the regulatory bottleneck for ADS-only designs from companies like Tesla's robotaxi and Cybercab ambitions, and Amazon-owned Zoox, which already builds without steering wheels or pedals, according to TechCrunch. The proposal would replace that exemption-by-exception path with a purpose-built AV-only standard.
In other words, the bottleneck shifts from legal and regulatory to engineering and validation. Whoever clears NHTSA's performance-based review of the ADS itself, rather than satisfying hardware rules written for human drivers, gets to scale.
NHTSA Administrator Jonathan Morrison framed the change as part of a broader rewrite intended to let the U.S. lead the global self-driving rollout, according to the agency's press release on the proposed rule. The framing echoes the Trump-era sequence of AV-focused deregulation that began in late 2025. As a regulator statement, it signals intent but not yet binding policy.
The counterweight sits in the same notice. NHTSA says core safety obligations remain in place and that ADS developers stay responsible for safety performance. Dropping a hardware requirement is not the same as dropping accountability. The agency is trading hardware mandates for NHTSA performance oversight of the underlying software stack. That is a real governance shift, not a deregulation giveaway: safety enforcement moves from "did you install the pedal" to "did the system meet the safety case."
What does not move with this rule is just as important as what does. State and local traffic rules, Americans with Disabilities Act (ADA) accessibility considerations for riders who cannot use a typical seatbelt-and-pedal vehicle, and first-responder protocols for ADS-only cars all sit outside FMVSS scope. The federal equipment rule does not preempt municipal permitting, paratransit obligations, or the police and fire procedures that have to be rewritten for cars without steering wheels. The 30-day comment window is short for a rule that restructures safety assumptions, and state Departments of Motor Vehicles (DMVs), disability advocates, and the Insurance Institute for Highway Safety (IIHS) are likely to use it.
Outside the U.S., the proposal sharpens a regulatory race. China has moved faster to deploy ADS through permissive pilot zones in 2025-2026, and if NHTSA finalizes a purpose-built standard faster than it processes capped exemptions, U.S. deployment math tilts toward whichever operator can clear NHTSA performance review first.
For now, this is a proposal. The Federal Register notice dated June 26 starts a comment clock that ends roughly a month later. Watch for: which FMVSS sections beyond brake pedals get pulled into the same rewrite, whether performance-based safety conditions replace hardware rules wholesale or sit alongside residual requirements, and what AAA, IIHS, state DMVs, and disability-advocate groups file before the window closes.