Convoy traveling system

A platooning system that causes vehicles to platoon, the platooning system comprising a vehicle control system installed in each of the vehicles that include a manually-driven head vehicle, wherein

• the vehicle control system is configured to control a host vehicle such that the host vehicle follows a lead vehicle through wireless communication between the host vehicle and the lead vehicle, the vehicle control system being installed in the host vehicle and the lead vehicle,
• the vehicle control system includes
• a sensor configured to detect a state of the host vehicle,
• an actuator configured to adjust a behavior of the host vehicle, and
• a controller configured to control the host vehicle, and
• the controller of the head vehicle is configured to physically notify a driver of the host vehicle of a state of a subsequent vehicle by operating the actuator of the host vehicle when a state signal including information that indicates the state of the subsequent vehicle is received through the wireless communication.