Vehicle control device and storage medium storing computer program for vehicle control

A computer-readable non-transitory storage medium that stores a computer program for vehicle control, wherein the computer program causes a processor to

• assess whether or not a lane change is necessary based on a scheduled route and surrounding environment information for a vehicle and select a traffic lane of the road on which the vehicle is traveling, to produce a driving lane plan showing the scheduled driving lane on which the vehicle is to travel,
• determine the notification priority representing the priority for notifying the driver of the planned lane change, based on at least one item from among the scheduled route for the vehicle, and the result of assessing whether or not the planned lane change is included in a plurality of continuous planned lane changes to be executed for a common purpose, when it has been planned to execute a lane change and
• suppress notification to the driver of planned lane changes with low notification priority compared to notification to the driver of planned lane changes with high notification priority, using a notification unit that notifies the driver of information.