California Teamsters driverless truck lawsuit puts a new state rulemaking under scrutiny. The challenge arrives months after California opened a permit path for heavy-duty autonomous trucks. Teamsters California argues that the state did not properly weigh safety and economic effects. California’s policy shift is clear. In an April 28 announcement, the California DMV said manufacturers may apply to test and deploy heavy-duty autonomous technology. Meanwhile, the agency says its rules add reporting, safety and enforcement requirements. What California’s new rules allow California’s earlier framework excluded autonomous vehicles rated at 10,001 pounds or more. Updated regulations remove that bar. As a result, freight companies can seek permits for heavy-duty autonomous vehicles. That does not mean driverless semis can operate everywhere immediately. Manufacturers must progress through testing stages before commercial deployment. For heavy-duty vehicles, the DMV lists 500,000 testing miles at each phase. Companies must also submit a structured safety case. A safety case must address hardware, software and operations. Additionally, the DMV can restrict fleet size, location, speed and weather conditions. Heavy-duty AVs must still follow commercial-vehicle rules. That includes California Highway Patrol weigh-station requirements. DMV’s milestone record says the Office of Administrative Law approved the regulations on April 28. The rules therefore create a pathway, not blanket permission for every truck. Why the Teamsters are challenging the move The court challenge turns the issue into more than a permit question. Teamsters California opposes a framework that could allow driverless freight vehicles. In contrast, the DMV says the same framework strengthens oversight of new technology. Safety is central to both positions. State rules require reports on system failures, immobilizations, hard-braking events, collisions and miles traveled. They also set standards for remote-operations personnel. Law enforcement can report AV moving violations under the new process. However, labor’s concern is wider than a single