A system for controlling multiple groups of electric vehicles, each of the groups engaged in a respective group driving on a road section includes an under-road communications unit for providing each of the electric vehicles with location information from which a position of said each electric vehicle is estimated, a road-periphery communications unit, installed in a vicinity of the road section, for providing group driving information to said each electric vehicle, the group driving information including the position of said each electric vehicle and information required to maintain a group driving in which said each electric vehicle is engaged, and an automatic driving unit, installed in or attached to said each electric vehicle, for allowing said each electric vehicle to stay engaged in the group driving based on the group driving information.