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U.S. Highway 421: Wikis


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U.S. Route 421 shield
U.S. Route 421
Length: 941 mi (1,514 km)
Formed: 1930
South end: Fort Fisher, N.C.
I-73 / I-85 / US 70 / US 220 in Greensboro, NC
I-40 in Greensboro and Winston-Salem, NC
I-77 near Yadkinville, NC
I-81 near Bristol, VA
I-75 near Lexington, KY
I-64 in Midway, KY
I-71 near Campbellsburg, KY
I-74 in Greensburg, IN and Indianapolis, IN
I-80 / I-90 near Otis, IN
I-94 near Michigan City, IN
North end: US 20 at Michigan City, Indiana
United States Numbered Highways
Spur of US 21

U.S. Route 421 is a spur of U.S. 21. It runs for 941 miles (1,514 km) from Michigan City, Indiana at U.S. 20 to Fort Fisher, North Carolina. The highway goes through the cities of Indianapolis, Indiana; Frankfort, Kentucky; Lexington, Kentucky; Harlan, Kentucky; Bristol, Tennessee; Boone, North Carolina; Winston-Salem, North Carolina; Greensboro, North Carolina; and Wilmington, North Carolina.


Route description


North Carolina

U.S. 421 in eastern Wilkes County

Current Alignment

U.S. 421 begins at Fort Fisher and heads through North Carolina's southeastern beaches to Wilmington. It then heads in a northwest direction through Clinton, Dunn, Lillington, Sanford and Siler City to the Piedmont Triad region. Major highway junctures between north of Wilmington and Greensboro are NC 11, I-95, US 401, US 1, US 64 and I-85. In Greensboro, it follows the Greensboro Urban Loop paired with Interstate 85 south of Greensboro and Interstate 73 northwest of Greensboro. It then connects to I-40 towards Forsyth County as it becomes its own freeway along the former Interstate 40 alignment known as Business 40. Major intersections are NC 66, US 158 and US 52 between Grensboro and Winston-Salem. After Winston-Salem, it intersects I-40 once last time but continues westerly passing through Lewisville, Yadkinville, Wilkesboro and Boone. Major highway junctures between Winston-Salem and Boone are U.S. 601, I-77, NC 16, Blue Ridge Parkway, US 221 and US 321. US Highway 421 continues westerly into Tennessee towards the Tri-Cities hitting Bristol, TN/VA.

Old Alignment

US 421 mainly followed the same route between Clinton and Wilmington. However, there are several old alignments from Clinton to the Tennessee state line.

US 421 bypasses Clinton, old alignment uses local streets. Between Dunn and Sanford, uses an old alignment, fully connected. Between Goldston and Greensboro, uses several old alignments but not fully connected. Between Greensboro and Wilkesboro, uses multiple old alignments of different alignments. In addition, they are no longer connected consistently. US 421 bypasses Wilkesboro, with a bannered US Business route. Between Deep Gap and Boone, uses an old aligmment. Between Vilas and the Tennessee state line, uses an old alignment.


U.S. 421 near Bristol

U.S. Highway 421 enters Tennessee from North Carolina in Trade. It is the oldest crossroads community in Tennessee and is the easternmost part of the state. The road "as the crow would fly" is a short distance in Volunteer State but traverses through two mountain ranges. After Trade, it ventures into Mountain City through a 40mph zone while bypassing the downtown area. After Mountain City, begins the two mountain ranges and in between them is the area of Shady Valley. After the second mountain range, it flattens out after the south Holston River heading towards Bristol. Highway 421 enters Virginia on the Old Dominion side of Bristol. Major highway junctures between the NC and VA state lines are TN 67 in Mountain City, TN Secondary 91 (new Mountain City bypass), TN 394 and US 11E.



U.S. 421 comes from Virginia into Harlan County, Kentucky, and exits at Trimble County at Milton, Kentucky, crossing the Ohio River into Madison, Indiana.


US 421 winds through the southern part of Indiana as it runs from Madison, in the southeastern part of the state, to Indianapolis (the capital). North of Greensburg, US 421 intersects and merges with I-74 west, through the Shelbyville area enroute to Indianapolis. Originally, US 421 followed Southeastern Avenue into downtown Indianapolis, where it merged with US 40 (Washington Street) to West Street, then turned north, following West Street, Northwestern Avenue (later MLK Drive), and Michigan Road up to the northwest side of the city. US 421 went past a famous Indianapolis landmark, the Pyramids. North of Indianapolis, US 421 continues to the north-northwest, providing a direct highway link between Indianapolis and Michigan City. US 421 ends at its junction with US 20 on the south side of Michigan City.

External links


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