Overview
- The National Highway Traffic Safety Administration proposed removing the federal brake-pedal mandate for vehicles designed to be driven exclusively by automated driving systems in a rulemaking announced on June 25, 2026, and opened a 30-day public comment window.
- The proposal applies only to cars intended to operate without a human driver and does not change core braking performance tests such as stopping-distance standards or NHTSA’s defect-investigation and recall powers.
- The Department of Transportation is also moving to speed Part 555 exemption decisions and would allow up to 2,500 exempted vehicles per manufacturer per year under the expedited pathway.
- Major robotaxi developers stand to gain: Tesla’s pedal-free Cybercab, Amazon-owned Zoox and Waymo are best positioned to benefit from relaxed hardware rules given their testing programs and vehicle designs.
- Regulators say safety data, testing protocols and operational readiness will still govern real-world rollout, so the proposal would ease a regulatory barrier but not guarantee immediate large-scale deployment.