In a guide rail type vehicle, a guide wheel includes a main guide wheel that rolls in contact with a main guide rail and a branch guide wheel that rolls in contact with a branch guide rail, a guide frame includes a guide arm that extends in a vehicle width direction and a guide link, the guide arm and the guide link are rotatably connected to each other via a first rotational shaft, the guide link includes a second rotational shaft in which the main guide wheel and the branch guide wheel are rotatably mounted to both ends, a buffer mechanism is provided between the guide arm and the guide link, and when the guide link rotates around the first rotational shaft with the guide wheel contacting with the guide rail, the buffer mechanism suppresses rotation of the guide link.