Overview
Kentucky oversize and overweight permits are issued by the Kentucky Department of Vehicle Regulation. Single-trip permits are valid for ten calendar days.
Permit approval depends on the proposed route, vehicle configuration, dimensions, axle weights and infrastructure conditions.
Permit Office
| Office | Kentucky Department of Vehicle Regulation |
| Address | 200 Metro Street, Frankfort, Kentucky 40602 |
| Contact | (502) 564-7150 |
| Hours | 8:00 A.M. – 4:30 P.M. (ET) |
Permit Basics
| Permit validity | Single-trip permits are valid for ten (10) calendar days. |
| Operating time | 8:00 A.M. – 4:30 P.M. (ET) |
Dimensions & Weights
Routine permit limits
| Length | 75′ on 2-lane roads; 120′ on 4-lane divided highways |
| Overhang | 35′ overall |
| Width | 16′ |
| Height | 15′6″ |
| Axle / group | Spacing | Weight |
|---|---|---|
| Single | — | 24,000 |
| Tandem | — | 45,000 |
| Tandem | — | 48,000 |
| Tridum | — | 60,000 |
| Quad | — | 80,000 |
Escort Requirements
| Based on | Escorts required |
|---|---|
| Width | On 2-lane highways — over 10′6″ to 12′: 1 rear |
| Width | On 2-lane highways — over 12′ to 14′: 2 (front & rear) |
| Width | On 4+ lane divided highways — over 12′: 1 rear |
| Width | On 4+ lane divided highways — over 14′ may require: 2 (front & rear) |
| Length | On 2-lane highways — over 75′ to 120′: 1 front |
| Length | On 2-lane highways — over 120′: 1 front, 2 rear |
| Length | On 4+ lane divided highways — over 120′: 1 front, 2 rear |
| Height | On all roads — over 15′: 1 front with height pole |
- On 4+ lane divided highways — overhang over 10′: 1 at point of overhang
- On 4+ lane divided highways — where conditions dictate the need: 2 (front & rear)
Notes
- Gross Weight — 5 Axles: 96,000
- Gross Weight — 6 Axles: 120,000
- Gross Weight — 7 Axles: 148,000