North Carolina Oversize / Overweight Permit Requirements
Legal-without-permit dimension limits, escort and pilot car thresholds, height pole rules, daylight-only windows, and holiday restrictions for North Carolina oversize moves.
Legal limits without a permit
In North Carolina, you can move a load without an OSOW permit up to these dimensions on the Interstate and designated highways. Anything over the limits requires a permit (and may require escorts — see below).
| Dimension | Without a permit | Permit required when |
|---|---|---|
| Width | 8′6″ (federal limit) | Anything wider |
| Height | 13′6″ | Anything taller |
| Combo length | 75′0″ | Anything longer |
| Gross weight | 80,000 lb | Anything heavier |
Escort and pilot car thresholds
When permitted, the following escort or movement-restriction rules apply in North Carolina. Thresholds are conservative — your specific permit conditions may impose tighter limits depending on the route.
| Trigger | Dimension | Threshold | Detail |
|---|---|---|---|
| Front pilot car | Weight | 149,999 lbs GVW | GVW over 149,999 lbs: 1 front escort required. |
| Front pilot car | Length | 150 ft | Length over 150 ft: 1 front + 1 rear escort required. |
| Rear pilot car | Length | 150 ft | Length over 150 ft: 1 front + 1 rear escort required. |
| Rear pilot car | Length | 110 ft | Length over 110 ft (up to 150 ft): 1 rear escort required. |
| Police escort | Height | 16'6" | Height over 16'6": law enforcement escort required. |
| Police escort | Width | 16 ft | Width over 16 ft: law enforcement escort required. |
| Height pole | Height | 14'5" | Height over 14'5": 1 front escort with height pole required. |
| Front pilot car | Width | 14 ft | Width over 14 ft: 1 front + 1 rear escort required. |
| Rear pilot car | Width | 14 ft | Width over 14 ft: 1 front + 1 rear escort required. |
| Front pilot car | Width | 12 ft | Width over 12 ft (up to 14 ft): 1 front escort; on 4-lane roads escort follows the load. |
| Certified escort required | Width | 12 ft | NC Community College System escort certification required. Accepts FL/GA/OK/WA reciprocal certificates. |
| Daylight-only movement | Width | 8'6" | Oversize loads restricted to sunrise–sunset travel (general commodities). |
| Weekend / holiday restriction | Width | 8'6" | Overwidth/overheight/overlength loads over 112,000 lbs prohibited noon–noon on Independence Day, Thanksgiving, and Christmas weekends. |
Stop tracking these rules by hand.
OverSizeTMS encodes the per-state escort and dimension rules for every state plus DC. Enter the load dimensions and route, and the platform tells you which permits, escorts, and time windows apply automatically.
See how it works →Last updated 2026-06-06. Cross-checked against the state admin code.