Teamsters California has sued the state Department of Motor Vehicles over new regulations that allow heavy-duty autonomous trucks on public roads. The union argues the agency skipped steps required by state law before adopting the rules. For anyone hurt in a crash with a commercial truck, the dispute raises a practical question about who answers when no one is in the cab.
What the New DMV Regulations Allow
On April 28, 2026, the DMV adopted rules that removed the long-standing ban on autonomous vehicles with a gross vehicle weight rating of 10,001 pounds or more. According to the DMV announcement, manufacturers may apply for permits to test and eventually deploy driverless trucks in California after clearing a staged process.
Before a manufacturer can seek approval to deploy a heavy-duty autonomous truck, the regulations require:
- 500,000 miles of testing with a safety driver in the cab
- Another 500,000 miles of fully driverless testing
- A written safety case covering hardware, software, and operations
- A communication link that lets first responders reach the company within 30 seconds
Heavy-duty autonomous trucks must still stop at weigh stations and follow every state and federal commercial vehicle requirement that applies to a conventional carrier. The federal regulations on maintenance, inspections, and minimum insurance do not disappear because a computer is steering.
Driverless freight already operates on Texas highways with far less state oversight. California chose a stricter path after several years of debate over self-driving truck rules, including two vetoed bills that would have required a human operator in heavy trucks.
The Union’s Legal Argument
The petition, filed in August, alleges the DMV violated the California Administrative Procedure Act, the statute that governs how a state agency must study, publish, and justify a regulation before it takes effect. The Teamsters contend the agency never properly assessed the economic consequences of the rules, which the union says could affect more than 200,000 jobs across the state. They also argue that a decision of this scale belongs to the Legislature, not an administrative agency.
The DMV held public comment periods before adopting the rules and maintains that the regulations strengthen oversight and accountability. Whether that process satisfied the statute is now a question for the court. Unless a judge orders otherwise, the regulations stay in effect while the case proceeds.
What Driverless Trucks Mean for Injury Claims
Liability Without a Driver
In a conventional crash, the investigation starts with the driver. Investigators examine speed, fatigue, distraction, and hours on duty. With an autonomous truck, there is no driver to question. The focus moves to the manufacturer, the developer of the automated driving system, the carrier that owned and maintained the truck, and any remote operator who was monitoring it. Determining who can be held liable in California already involves several parties. Autonomous operation adds more.
The legal theories shift as well. A defective sensor or a software decision that failed to recognize a stopped vehicle may support a product liability claim. A carrier that skipped maintenance or deployed a truck outside its approved operating conditions may face a negligence claim. The general rules of liability in a truck case still apply, but the defendants and the proof look different.
The Evidence Changes Too
A driverless truck records almost everything. Camera footage, sensor logs, the software’s decision history, and remote operator communications all exist, and all of it is held by the companies involved. Preserving that electronic evidence quickly matters more in a California truck accident case than in almost any other type of claim, because the data can be overwritten or lost.
Insurance is another consideration. Autonomous carriers must carry the same minimum coverage as any other motor carrier, and the way insurance affects California claims does not change because the truck drove itself.
Comparative fault, the statute of limitations, and the categories of recoverable damages are collected under California truck accident laws, and they apply to every commercial vehicle on the road, whether a person or a program was in control.
Where This Leaves Injured Drivers
The Teamsters lawsuit may slow or reshape the rollout, but it won’t eliminate autonomous freight in the state. Truck Law connects people injured in commercial truck crashes with attorneys who understand how a California truck accident claim is built, including the newer questions that arise when the vehicle at fault had no one behind the wheel. If you or a family member was hurt in a collision with a commercial truck, contact a truck accident attorney soon so the records that explain what happened are preserved.