U.S. Highway 218 (US 218) is an original United States Highway that was created in 1926. Although technically a spur of US 18, US 218 neither begins nor ends at US 18, but overlaps US 18 for near Charles City, Iowa. US 218 begins at 136 in downtown Keokuk and ends away at Interstate 35 (I-35) and US 14 at Owatonna, Minnesota. A large portion of US 218 in Iowa is part of the Avenue of the Saints, which connects St. Louis, Missouri, and Saint Paul, Minnesota. Route description Iowa US 218 begins in downtown Keokuk at an intersection with US 136 and US 61 Business (US 61 Bus.) at Main and 7th streets. The highway heads north along Main Street with US 61 Bus. As they exit Keokuk, the business route ends at an intersection with the mainline US 61, which bypasses the city. US 218 and US 61 head north concurrently for a few miles before US 218 exits to the northwest; US 61 follows the Mississippi River north towards Fort Madison. US 218 travels northwesterly for almost along a two-lane road. As it approaches Donnellson, it meets up with and joins Iowa Highway 27 (Iowa 27), the Avenue of the Saints. The two highways head north on a four-lane expressway. In Donnellson, they meet Iowa 2 at a diamond interchange. Further north, and east of Houghton, they intersect Iowa 16 at an at-grade intersection. Prior to crossing the Skunk River, the roadway angles to the northeast and a freeway bypass of Mount Pleasant begins. From the east, the highways are joined by US 34 and Iowa 163. The four highways loop around the city's eastern side and begin traversing the northern side when US 34 and Iowa 163 split away to continue bypassing Mount Pleasant; US 218 and Iowa 27 continue north. Minnesota US 218 enters the state at Lyle, in Mower County. It follows along the east side of the Iowa, Chicago, and Eastern Railroad line as it continues northward through farm fields. Southeast of Austin, US 218 angles northeastward to bypass the city, its former route following County Road 45 (CR 45) into town. US 218 passes by the Austin Municipal Airport just before its interchange with I-90. The highway runs concurrently with I-90 for nearly through northern Austin. When US 218 departs from the Interstate and turns back north, it becomes a four-lane divided