A method, computer system, and computer program product for using self-driving autonomous vehicles to form traffic barriers. The method may include receiving, by a processor, an identification of a location of an event. The method may identify a vehicle from an inventory of autonomous vehicles based on one or more criteria. The criteria may include a vehicle location criterion, a vehicle size criterion, a vehicle fuel criterion, or a vehicle availability criterion. The method may include transmitting to the vehicle an instruction to move to a first location. The method may include identifying a perimeter encompassing the location of the event. The method may include identifying a subset of vehicles in the first position and instructing the subset of vehicles to move to a second position. The method may include instructing the subset of vehicles in the second position to move back to the first position.