System and control method

A system comprising:

• a vehicle configured to be runnable by unmanned driving;
• inspection equipment comprising a roller, wherein the roller is configured to be rotatable while supporting a wheel of the vehicle;
• a detector configured to detect abnormality of at least one of the vehicle and the inspection equipment;
• and
• a control device configured to control rotation of at least one of the wheel and the roller, wherein, during inspection in which one of the wheel and the roller is drivingly rotated to followingly rotate another one of the wheel and the roller, when abnormality that rotation of the another one of the wheel and the roller stops is detected, the control device decelerates rotation of the one of the wheel and the roller.