In Whitefish, the maximum speed limit for cars is 75 mph and 65mph for trucks. However, these speed limits apply to a small section of roads in the rural stretches of interstate. Interstates within urban limits have a maximum speed limit of 65 mph. In residential areas, the speed limit is 25 mph. On two-lane highways, the speed limit is 65 to 70 mph. These speed limits are standard unless posted otherwise. Search rental cars on KAYAK