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North Carolina Truck Network
North Carolina Highway 70 marker
North Carolina Highway 11 marker
North Carolina Highway 24 marker
Highway markers from different years for former NC 70 (1921), NC 11 (1949) and current NC 24
System information
Maintained by NCDOT
Length8,145.23 mi[1] (13,108.48 km)
Formed1921 (1921)
StateNorth Carolina Highway nn (NC nn)
System links

The North Carolina Truck Network (NCTN) is a network of approved highways for commercial truck drivers in the state of North Carolina. The NCTN is part of the National Network, established by the Surface Transportation Assistance Act of 1982, which allows large truckss on a network of designated routes throughout the United States.

State law

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Trucks in North Carolina must be within these guidelines:

  • Width: 8 ft 6 in (2.59 m)
  • Height: 13 feet 6 inches (4.11 m)
  • Weight: single axle - 20,000 pounds (9,100 kg), tandem axle - 38,000 pounds (17,000 kg)
  • Length: single vehicle - 40 feet (12 m), vehicle combination - 60 feet (18 m); truck tractor/48-foot semi-trailer combination with no overall length limitation is allowed on all roads and truck tractor/53-foot semi-trailer combination, with no overall length limitation is allowed on all North Carolina primary (NC, US and Interstate) routes unless restricted.
  • Overhang: Rear overhang in excess of 4 feet (1.2 m) are required to display a 18 in (460 mm) square red flag for daytime travel and clearance lights during nighttime travel. Loads shall not extend more than 14 feet (4.3 m) beyond the rear of the bed or body of the vehicle. Maximum overhang is limited to 14 feet (4.3 m).

Oversize/overweight trucks are required to have a permit in North Carolina if they exceed in weight, width, length or height. There are three types of permits in the state: annual (one year), single trip (10 calendar days for one single trip) and superload (exceed in gross weight of 132,000 pounds (60,000 kg) and/or width of 15 feet (4.6 m). Escort(s) are also required for permitted loads that exceed 12 feet (3.7 m) in width, 110 feet (34 m) in length and/or 14 feet 5 inches (4.39 m) in height.[2]

Truck restrictions

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There are five types of truck restrictions that are used in North Carolina.[3]

  • Truck information station: All trucks, excluding pickup trucks and vans, are required to enter the truck information station so drivers can be advised of steep grade conditions, speed limits and lane restrictions before descending the mountain. There is currently three stations in the state; located on I-40 in McDowell County, US 64 in Macon County and NC 226 in Mitchell County.
  • Temporary truck restriction: As the name implies, typically related to highway construction.
  • Truck lane restriction: Found in urban and mountain areas of the state, they restrict trucks to specific lane(s) along the highway.
  • No through trucks: Trucks are not allowed to traverse through a specific stretch of highway, but allow if for point of departure/destination. Some locations also have exceptions allowing through traffic depending on truck width, height, width or length.
  • Trucks prohibited route: Trucks are not allowed, though some exceptions exist depending on truck width, height, width or length.

List of truck routes

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A truck route is a bypass specifically designated for trucks. They are generally established when an ordinance prohibits trucks along a primary route, typically found in urban and mountain areas of the state. Listed here are identified U.S. and State highways.

Number Length (mi) Length (km) Southern or western terminus Northern or eastern terminus Formed Removed Notes

NC 7 Truck
1.7 2.7 Belmont

NC 16 Truck
1.9 3.1 Taylorsville

US 17 Truck
1.5 2.4 Elizabeth City Uniquely bannered as a Business Truck route.

NC 18 Truck
3.9 6.3 Shelby

NC 27 Truck
6.2 10.0 Lincolnton

US 64 Truck
80.8 130.0 Franklin Hendersonville Longest truck route in state.

NC 73 Truck
12.5 20.1 Concord

NC 86 Truck
8.3 13.4 Hillsborough

NC 87 Truck
6.3 10.1 Elizabethtown

NC 194 Truck
14.1 22.7 Banner Elk Valle Crucis

US 221 Truck
7.9 12.7 Rutherfordton

US 221 Truck
16.9 27.2 Linville Boone

NC 242 Truck
1.0 1.6 Roseboro

NC 308 Truck
2.6 4.2 Windsor

US 321 Truck
4.0 6.4 Boone

US 421 Truck
1.0 1.6 Wilmington 02009-01-012009 current

US 421 Truck
4.8 7.7 Boone

NC 581 Truck
0.4 0.64 Bailey Avoids a bridge overpass with 8 ft 6 in (2.59 m) clearance.

NC 751 Truck
3.0[4] 4.8 Durham

References

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  1. ^ 2012 NCDOT Maintained Mileage By System (PDF) (Map). North Carolina Department of Transportation. July 31, 2013. Retrieved July 1, 2014.
  2. ^ "NCDOT Oversize/Overweight Permit Handbook" (PDF). North Carolina Department of Transportation. 2010. Retrieved August 9, 2015.
  3. ^ "North Carolina Truck Network and Restrictions" (PDF). North Carolina Department of Transportation. July 1, 2013. Retrieved August 9, 2015.
  4. ^ "NC 751 Truck - Durham, North Carolina" (Map). Google Maps. Retrieved May 13, 2014.