TRAVEL CONTROL DEVICE, TRAVEL CONTROL METHOD, AND NON-TRANSITORY RECORDING MEDIUM

A travel control device includes acquisition part acquiring surrounding vehicle information and surrounding road environment information of a host vehicle and control part performing blind area avoidance control based on the surrounding vehicle information, the surrounding vehicle information includes a detection result of an adjacent vehicle traveling on a lane adjacent to a lane on which the host vehicle is traveling by a side sensor provided in the host vehicle, and the control part performs at least one of determining whether the host vehicle is overtaking the adjacent vehicle and suppressing the blind area avoidance control while the host vehicle is overtaking the adjacent vehicle, and determining whether the adjacent vehicle is overtaking the host vehicle and suppressing the blind area avoidance control while the adjacent vehicle is overtaking the host vehicle.