Vehicle manufacturing system, vehicle manufacturing method, and non-transitory computer readable medium

A method for manufacturing vehicles in which a plurality of vehicles is manufactured step by step while the plurality of vehicles is continuously moving, comprising:

• acquiring first information indicating positions and attitudes of each of the plurality of vehicles by using a first information acquisition external sensor provided outside the plurality of vehicles;
• acquiring, by using a second information acquisition internal sensor provided in at least one of the plurality of the vehicles, second information indicating a position and an attitude of a vehicle of the plurality of the vehicles in front of or behind each respective one of the at least one of the plurality of the vehicles;
• and
• switching control of the plurality of vehicles or notifying someone or something outside the plurality of vehicles when a difference between a position and attitude of a given vehicle of the plurality of vehicles acquired from the first information acquisition external sensor and a position and attitude of the given vehicle of the plurality of the vehicles acquired from the second information acquisition internal sensor is larger than a predetermined value.