Route information | ||||
---|---|---|---|---|
Length | 21.9 mi[1] (35.2 km) | |||
Existed | 2011[2]–present | |||
History | First segment opened in 2002; officially designated as I-840 in 2011; route completed January 23, 2023 | |||
NHS | Entire route | |||
Major junctions | ||||
West end | I-40 / I-73 / US 421 in Greensboro | |||
East end | I-40 / I-85 / I-785 in Greensboro | |||
Location | ||||
Country | United States | |||
State | North Carolina | |||
Counties | Guilford | |||
Highway system | ||||
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Interstate 840 (I-840) is a 21.9-mile (35.2 km) auxiliary Interstate Highway of I-40 in the U.S. state of North Carolina. The highway is the northern half of the larger Greensboro Urban Loop beltway around the city of Greensboro. It connects to a lot of other major highways, such as I-40, I-73, I-85, and I-785.