A remote support system configured to send a remote control request to a remote operator when an autonomous driving control device of a vehicle traveling autonomously determines that the vehicle gets into a remote control request situation, the remote support system comprising: a storage device storing at least one program; and at least one processor connected to the at least one storage device, characterized in that: the at least one processor is configured to perform a first determination process and a second determination process by executing the at least one program when the vehicle gets into the remote control request situation, the first determination process is a process of determining whether the vehicle is to collide with an object to be avoided regarding the remote control request situation, the second determination process is a process of determining necessity of sending the remote control request based on a result of the first determination process, the first determination process includes acquiring at least one of map information around the vehicle, surrounding environment information regarding a surrounding environment of the vehicle, and vehicle motion information regarding motion of the vehicle, and determining whether the vehicle is to collide with the object to be avoided, based on at least one of the map information, the vehicle motion information, and the surrounding environment information; and the second determination process includes avoiding sending the remote control request when the at least one processor determines that the vehicle is not to collide with the object to be avoided in the first determination process. a storage device storing at least one program; and at least one processor connected to the at least one storage device, characterized in that: the at least one processor is configured to perform a first determination process and a second determination process by executing the at least one program when the vehicle gets into the remote control request situation, the first determination process is a process of determining whether the vehicle is to collide with an object to be avoided regarding the remote control request situation, the second determination process is a process of determining necessity of sending the remote control request based on a result of the first determination process, the first determination process includes acquiring at least one of map information around the vehicle, surrounding environment information regarding a surrounding environment of the vehicle, and vehicle motion information regarding motion of the vehicle, and determining whether the vehicle is to collide with the object to be avoided, based on at least one of the map information, the vehicle motion information, and the surrounding environment information; and the second determination process includes avoiding sending the remote control request when the at least one processor determines that the vehicle is not to collide with the object to be avoided in the first determination process. the at least one processor is configured to perform a first determination process and a second determination process by executing the at least one program when the vehicle gets into the remote control request situation, the first determination process is a process of determining whether the vehicle is to collide with an object to be avoided regarding the remote control request situation, the second determination process is a process of determining necessity of sending the remote control request based on a result of the first determination process, the first determination process includes acquiring at least one of map information around the vehicle, surrounding environment information regarding a surrounding environment of the vehicle, and vehicle motion information regarding motion of the vehicle, and determining whether the vehicle is to collide with the object to be avoided, based on at least one of the map information, the vehicle motion information, and the surrounding environment information; and acquiring at least one of map information around the vehicle, surrounding environment information regarding a surrounding environment of the vehicle, and vehicle motion information regarding motion of the vehicle, and determining whether the vehicle is to collide with the object to be avoided, based on at least one of the map information, the vehicle motion information, and the surrounding environment information; and the second determination process includes avoiding sending the remote control request when the at least one processor determines that the vehicle is not to collide with the object to be avoided in the first determination process.