Vehicle Action Determining Method and Vehicle Action Determining Device

A method for determining a vehicle action includes: by a controller that acquires travel situation information of a road on which a host vehicle travels and determines a driving action from the travel situation information, setting at least one control determining point on a first route on which the host vehicle travels, the control determining point determining whether to run or stop the host vehicle; and determining whether to run or stop the host vehicle at the control determining point before the host vehicle reaches the point. The controller determines whether or not the host vehicle enters a road on which another vehicle or a pedestrian travels or walks with priority over the host vehicle on the first route; and where it is determined that the host vehicle enters the road on which the other vehicle or pedestrian travels or walks with priority, sets the control determining points more densely.