Assuming the roads are safe and clear, how fast can you legally go? Well, it depends on where you are. In a posted school zone, the speed limit is 15mph. On city streets, the speed limit is 25mph. On ordinary highways, the speed limit is 30-50mph; on divided highways, the speed limit is 30-55mph; on interstate highways, the speed limit can be anywhere from 55-75mph.

Other than that, you are likely to see speed limit signs indicating a wide range of limits based on a variety of conditions, such as constructions zones, school zones, or half-finished-then-abandoned bridge zones. Just remember to always drive no faster than the speed limit (and slower still if conditions are poor) so that you don’t go ramming into the rear end of a hatchback or flying off into a filibuster.