emergency escort
Being behind a fire truck, police car, or ambulance when they are going to an emergency and and driving full speed behind them without traffic.
Guy 1: "Hey I thought you were going to be late with all the traffic."
Guy 2: "Yeah lucky for me there was a firetruck in front of me so I got an emergency escort."
Guy 2: "Yeah lucky for me there was a firetruck in front of me so I got an emergency escort."