TRAVEL CONTROL DEVICE AND TRAVEL CONTROL METHOD FOR VEHICLE

摘要

A travel control device 10 for a vehicle that is equipped with an imaging device 21. The travel control device 10 is provided with: a white line recognition unit 11 that, on the basis of images acquired by the imaging device 21, recognizes white lines 61 as travel demarcation lines that demarcate an own lane 63 that is the travel lane of an own vehicle 50; and a cut-in/withdrawal determination unit 12 that executes cut-in determination and withdrawal determination regarding other vehicles, wherein, on the basis of the relative vehicle-width-direction position of a forward vehicle 51 with respect to the white lines, a forward vehicle that is traveling in an adjacent lane 64 is determined to be a cut-in vehicle that will cut into the own lane and a forward vehicle that is traveling in the own lane is determined to be a withdrawal vehicle that will withdraw from the own lane.