U.S. Route 55
| US 55 highlighted in red on a modern map | ||||
| Route information | ||||
| Length | 370 mi (600 km) | |||
| Existed | 1926–1934 | |||
| Major junctions | ||||
| South end | US 61 in Davenport, IA | |||
| 
 | ||||
| North end | US 12 in Minneapolis, MN | |||
| Location | ||||
| Country | United States | |||
| States | Iowa, Minnesota | |||
| Highway system | ||||
| 
 | ||||
U.S. Highway 55 was a north–south United States highway. Though it was part of the original 1926 numbering plan, it was deleted within 10 years.