Waymo Patents Pedestrian Fall Detection System
The filing describes body-posture sensing that would let robotaxis brake or swerve when a person or cyclist falls, and it was published alongside 19 other Waymo patents this week.
Updated on Nov. 6, 2026 in Robotics
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Waymo filed a patent in July describing cameras and laser sensors that scan people at several body reference points to detect whether a pedestrian or cyclist has fallen. The patent was published on November 5, the same week the company published 19 patents in total.
Why it matters
The system would instruct a robotaxi to brake or swerve when a lying-down score rises, and to request remote assistant support when risk is high. Cycling advocates in the United States and United Kingdom have raised concerns about how autonomous vehicles interact with bike lanes.
The patent uses a lying-down score ranging from 0 for standing or cycling to 1 for lying on the ground, and the ordinary US review period for such applications is two to three years. Whether the detection method will be built into production vehicles has not been disclosed.
The players
Waymo
Waymo is an autonomous driving company that operates robotaxi services and develops the Waymo Driver software system.
Christopher White
Christopher White is the executive director of the San Francisco Bike Coalition, a cycling advocacy group in San Francisco.
Tom Fyans
Tom Fyans is the chief executive of the London Cycling Campaign, a cycling advocacy organization in London.
The details
The patent, titled 'Detection of loss-of-control vulnerable road users in automotive environments', describes cameras and laser sensors that scan a person at several body reference points. When the lying-down score suddenly increases, the vehicle would brake or swerve away, and if risk is judged high enough it could stop and ask a remote assistant for help.
Timeline
July: Waymo filed the patent application.
April: Waymo told cycling campaigners that veering into bike lanes is normal practice.
November 5: The patent was published alongside 19 other Waymo patents.
The Tech Race
The filing extends the Waymo Driver's perception stack beyond detecting upright road users to recognizing when a pedestrian or cyclist has fallen. It places Waymo in a competitive race among autonomous vehicle developers to demonstrate safe handling of vulnerable road users as robotaxi services expand.
Pedestrians and cyclists could be safer near robotaxis if the detection system is deployed, since the vehicle would brake or swerve when someone falls. The patent has not yet been granted, and average US patent applications take two to three years to be determined.
The takeaway
Autonomous vehicle companies are now patenting methods to recognize vulnerable road users in distress, not just to avoid them. Readers following robotaxi rollouts can watch whether these detection capabilities appear in deployed vehicles.
Further reading
For more on autonomous machines, see Robotics coverage.
Source note: This article includes information reported by Road.
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