Main roads in Crawford County, such as US Highway 18 and State Highway 27, are maintained by the Wisconsin Department of Transportation and serve to connect the county to larger cities and neighboring states. They generally have a higher speed limit and are wider in width than county roads.
County roads in Crawford County, Wisconsin are typically maintained by the Crawford County Highway Department and serve to connect the smaller towns and rural areas within the county. They are typically smaller in width and have a lower speed limit than main roads. County roads are ideal for road touring.