Overview
Alabama Oversize Permits & Regulations
Permit Office
| Office | Alabama State Highway Department |
| Address | 1409 Coliseum Boulevard, Montgomery, Alabama 36110 |
| Contact | (334) 834-1092 |
| Hours | 8:00 A.M. – 4:45 P.M. (CT) |
Permit Basics
| Permit validity | Single trip permits are valid for five (5) consecutive days. |
| Operating time | 8:00 A.M. – 4:45 P.M. (CT) |
Dimensions & Weights
Routine permit limits
| Length | 150′ |
| Overhang | Maximum overhang of 20′ |
| Width | 16′. Over 16′ cannot use interstate. |
| Height | 16′ |
| Axle / group | Spacing | Weight |
|---|---|---|
| Single (Interstate) | — | 22,000 |
| Tandem (Interstate) | — | 44,000 |
| Tridum (Interstate) | — | 66,000 |
| Quad (Interstate) | — | 88,000 |
| Tandem (Secondary) | 14′ | 40,000 |
| Tandem (Secondary) | 15′ | 42,000 |
| Tandem (Secondary) | 16′ | 44,000 |
| Tridum (Secondary) | 5′ or less | 48,000 |
| Tridum (Secondary) | Over 5′ | 51,000 |
Escort Requirements
- On 2-Lane Highways — Overhang of bulldozer blade: 1 Front
- On 4-Lane Highways — Overhang of bulldozer blade: 1 Rear
- On All Highways — Width over 12′: 2 (Front & Rear)
- On All Highways — Length over 85′ to 105′: 1 Rear
- On All Highways — Length over 105′: 2 (Front & Rear)
- On All Highways — Height over 16′: 1 Front
- On All Highways — Overhang in rear more than 5′: 1 Rear
- On All Highways — Overhang in front more than 10′: 1 Front
- On All Highways — Overhang of bulldozer blade (minimum required): 1
Notes
- Gross Weight — 5 Axles: 110,000
- Gross Weight — 6 Axles: 122,000
- Gross Weight — 7 Axles: 142,000
- Gross Weight — 8 Axles: 150,000