U.S. Route 421 (also U.S. Highway 421, US 421) is a diagonal northwest–southeast United States Numbered Highway in the states of North Carolina, Tennessee...

Several special routes of U.S. Route 421 exist. In order from south to north they are as follows. U.S. Route 421 Truck (US 421 Truck), established in March...

U.S. Route 421 (US 421) is part of the United States Numbered Highway System that runs from Fort Fisher, North Carolina to Michigan City, Indiana. In the...

total of at least 39 special routes of U.S. Route 17 (US 17) exist: 3 in Florida, 13 in South Carolina, 17 in North Carolina, and 6 in Virginia. U.S. Highway 17...

Several special routes of U.S. Route 29 (US 29) exist. In order from south to north, they are as follows. U.S. Route 29 Truck (US 29 Truck) is a 1.025-mile-long...

Eighteen special routes of U.S. Route 58 currently exist in Virginia. In order from west to east they are as follows: U.S. Route 58 Business (US 58 Bus...

Several special routes of U.S. Route 23 (US 23) exist. There are 18 extant special routes along US 23 and 14 former routes. U.S. Highway 23 Business (US 23...

U.S. Route 421 (US 421) enters Indiana from Kentucky, proceeding northwest to Indianapolis, joining Interstate 465, and then continuing northwest to Michigan...

Several special routes of U.S. Route 25 (US 25) exist. In order from south to north, they are as follows. U.S. Highway 25 Bypass (US 25 Byp.), in complete...

Several special routes of U.S. Route 19 (US 19) exist. In order from south to north, they are as follows. U.S. Highway 19 Alternate (US 19 Alt.) was a...