| North Carolina Highway 18 | ||||
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Route of NC 18 highlighted in red
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| Route information | ||||
| Maintained by NCDOT | ||||
| Length: | 145.5 mi (234.2 km) | |||
| Existed: | 1921 – present | |||
| Major junctions | ||||
| South end: |
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| North end: |
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| Location | ||||
| Counties: | Cleveland, Lincoln, Catawba, Burke, Caldwell, Wilkes, Alleghany, Surry | |||
| Highway system | ||||
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North Carolina Highway 18 Truck |
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| Location: | Shelby, North Carolina |
| Length: | 3.9 mi (6.3 km) |
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North Carolina Highway 18 Truck |
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| Location: | Morganton, North Carolina |
| Length: | 5.0 mi (8.0 km) |
| North Carolina Highway 18A | |
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| Location: | Lenoir, North Carolina |
| Length: | 2.9 mi (4.7 km) |
| Existed: | 1949–1960 |
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North Carolina Highway 18 Business |
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| Location: | Lenoir, North Carolina |
| Length: | 2.9 mi (4.7 km) |
| Existed: | 1960–2012 |
North Carolina Highway 18 (NC 18) is a primary state highway in the state of North Carolina. Traveling north–south through the Foothills region, it connects the cities of Shelby, Morganton, Lenoir, Wilkesboro and North Wilkesboro.
NC 18 is a predominantly two-lane rural highway that travels 145.5 miles (234.2 km) in western North Carolina. Starting as a continuation of SC 18, at the South Carolina state line near Earl, NC 18 travels north into Shelby, where it overlaps with NC 150 and crosses US 74/NC 226. North of Shelby, it goes through the towns of Fallston and Belwood, before entering Lincoln County. At Toluca, it connects with NC 27; at Laurel Hill, it overlaps briefly with NC 10, before entering Catawba County. With no major interchanges in Catawba County, it enters Burke County and goes northwesterly towards Morganton.