Patent US 9,751,463

A traffic flow congestion incident associated with a segment of roadway that is proximate to a responder vehicle can be established. The congestion can include a set of automobiles on the roadway. The automobiles can include a driver operated vehicle, a semi-autonomous vehicle, and an autonomous vehicle. The responder vehicle can be an emergency response vehicle associated with an emergency service or emergency entity. A notification can be conveyed to a computing device associated with the automobiles responsive to the establishing. The notification can alert the operator of the automobile that the responder vehicle is proximate.