Key Takeaways
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• Waymo’s self-driving cars are shifting from cautious behavior to “confidently assertive” driving
• Vehicles are now making humanlike maneuvers—illegal U-turns, fast starts, close passes, and rolling stops
• Waymo says the updates are necessary for scaling in dense cities like San Francisco
• The behavioral shift raises safety, regulatory, and public-trust concerns as laws evolve
What Happened?
Waymo’s autonomous vehicles in San Francisco are suddenly driving with far more aggression, mimicking the behavior of seasoned human drivers—sometimes including questionable moves. Reports describe Waymos making illegal U-turns, rolling stops, rapid accelerations, and tight lane changes. Incidents include a police stop for an illegal U-turn, a Waymo hitting a neighborhood cat, and cars accelerating immediately as pedestrians clear their path. Waymo confirms its software has recently been updated to be “confidently assertive,” arguing that overly passive driving caused disruptions in dense urban traffic. The company says these changes help vehicles handle real-world trade-offs, such as passing double-parked trucks even when road markings technically prohibit it.
Why It Matters?
The shift highlights a crucial tension in autonomous-vehicle deployment: safety vs. practicality. Excessive caution limits scalability in complex city environments, while assertive driving risks public backlash and regulatory scrutiny. For investors and mobility players, the update signals that autonomy companies may need to adopt more humanlike behaviors to remain viable in crowded markets. But as Waymo accumulates more miles and incidents enter the spotlight, public trust could be tested. Regulatory changes are coming too—California is preparing laws that may allow police to formally cite driverless cars, raising compliance risks. Despite isolated incidents, Waymo maintains a strong safety record, reporting 91% fewer serious-injury crashes than human drivers across more than 100 million autonomous miles.
What’s Next?
Waymo will continue refining its balance between assertiveness and safety as it expands in San Francisco, Los Angeles, Austin, Phoenix, and Atlanta. Expect increased regulatory attention, especially once police gain authority to issue citations to driverless vehicles. Public sentiment will remain a key factor as residents encounter more humanlike—and sometimes unpredictable—robotaxis on city streets. The company will likely emphasize transparency, software-update controls, and additional safety data to reinforce trust while pushing toward broader commercial deployment.














