Patent attributes
A travel control method comprises a step of determining, when the second range becomes small after initiating the lane change as compared with the second range before initiating the lane change, at least one of a method of presenting information to a driver of the subject vehicle when discontinuing or continuing the lane change, a control content after discontinuing or continuing the lane change, and a travel position of the subject vehicle in a road width direction on a basis of a positional relationship in the road width direction between a lane mark which the subject vehicle gets across in the lane change and the subject vehicle.