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California adopts new rules allowing manufacturers to test and deploy heavy-duty autonomous vehicles

By Thomson Reuters Apr 28, 2026 | 10:18 PM

April 28 (Reuters) – The California Department of Motor Vehicles (DMV) on Tuesday adopted new regulations for autonomous vehicles, allowing manufacturers ​to test and deploy heavy-duty ‌driverless vehicle technology on the state’s roads.

The new regulations also expand safety and oversight requirements for all classes of autonomous vehicles, the California DMV ‌said ​in a statement.

Here are ⁠a few details:

• The ⁠move lifts the ban on operating autonomous vehicles weighing over 10,001 pounds (4,536.4 kg), opening California to autonomous freight operations.

• However, ​vehicles will still be required to stop at patrol stations and comply ⁠with state and federal ⁠commercial motor vehicle rules.

• Medium-duty autonomous ​vehicles up to 14,001 pounds will be ​allowed to be operated by public agencies ‌and universities.

• In 2023, California Governor Gavin Newsom vetoed a bill to prevent heavy-duty driverless trucks from operating in the ⁠state.

• The DMV had since been working toward developing a regulatory framework to lift that restriction.

• ⁠The new ‌rules require manufacturers to begin with ⁠testing using a safety driver ​and ‌progress to driverless testing before applying ​for commercial ⁠deployment.

• Manufacturers must complete 50,000 miles (80,467.2 km) for light-duty vehicles and 500,000 miles for heavy-duty vehicles for testing at each phase.

(Reporting by Disha Mishra in Bengaluru; Editing by ​Thomas Derpinghaus)