Waymo, the autonomous taxicab company owned by Alphabet , is recalling more than 3,000 self-driving sedans due to the software issue that caused the robotaxis to illegally pass stopped school buses. This voluntary software recall follows a major investigation by the NHTSA into over 19 incidents where cars passed buses with stop signs deployed—in one case, while children were crossing. Waymo had initially claimed to have fixed the problem with a November update, but the recall confirms the persistence of the safety flaw.

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