On the morning of April 1, the Traffic Management Bureau of the Wuhan Public Security Bureau issued a situation report stating that on the evening of March 31, multiple "Radish Run" vehicles operated by Baidu stalled and were unable to move in the middle of roads in some areas of Wuhan. Traffic management and transportation departments, along with Baidu's Radish Run company, responded promptly. All passengers exited the vehicles safely, and no injuries were reported. The specific cause of the incident is still under further investigation.
Industry analysts suggested that the stalling of the Baidu Radish Run vehicles was likely triggered by an unexpected situation that activated a safety self-check mechanism. This is considered a proactive strategy by the system to ensure safety. Similar incidents are not uncommon in the international autonomous driving industry. For instance, in December 2025, Google's Waymo autonomous vehicles in San Francisco, USA, stalled in place after a power outage caused traffic signals to fail, triggering a "minimal risk strategy." This strategy is a mandatory safety requirement for L4-level autonomous vehicles in that jurisdiction.
As of the time of reporting, Baidu's Radish Run service had not issued a public statement or explanation regarding the incident.
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