When arriving at your destination and opening the door, how often do you stop to think who might be on the other side? According to the San Francisco Municipal Transportation Agency, collisions with bicyclists when a vehicle's door opens into moving traffic, or "dooring," is the second most common collision that results in injury or fatality. To help prevent 'dooring' events, Waymo implemented new and more effective methods to help inform riders when other road users are nearby by employing t...