COLORADO OVERSIZE OVERWEIGHT PERMITS
Colorado Oversize Restrictions
Colorado Department of Transportation
Address: 4201 E. Arkansas Ave. Suite 290 Denver, Colorado 80222
Contact: (303) 757 – 9539 / (800) 350 – 3765
Hours: 7:30 A.M. – 4:30 P.M. (MT) *closed Thursdays 10:00 A.M. – 10:30 A.M. for state business
Permits
Single-trip permits are valid for up to five (5) days. (Permit writer’s discretion)
Weight:
| Single | 22,000 – 27,000 |
| Tandem | 42,000 – 50,000 |
| Tridum | 55,000 – 65,000 |
| Quad | 60,000 – 72,000 |
Gross Weight:
| 5 Axles | 106,000 – 132,000 (Single, tandem, tridum) |
| 6 Axles | 119,000 – 147,000 (Single, tandem, tridum) |
| 7 Axles | 132,000 – 162,000 (Single, tridum, tridum) |
| 8 Axles | 137,000 – 169,000 (Single, tridum, quad) |
Length: 110’ on mountainous 2 lane highways.
120’ on all non-mountainous, 2-lane highways.
130’ on all 4-lane highways.
Width: 17’
Height: 16’
When Escorts are needed:
***Private escorts must have Colorado safety certificate***
On 2 Lane Highways # of Escorts
| Width over 13’ to 15’ | 1 Front (+poss. 1 Rear)* |
| Width over 15’ to 17’ | 2 (Front & Rear) |
| Width over 8’6” on certain secondary roads | 1 Front |
| Width over 11’ on certain secondary 2 lane roads | 2 (Front & Rear) |
| Length over 85’ on certain portions of 2 lane and 4 lane highways | 1 Front |
| Length over 110’ | 1 Front |
| Overhang more than 25’ (at point of overhang) | 1 |
| Height over 16’ | 1 Front w/ High Pole |
On 4 or More Lane Highways:
| Width over 13’ to 15’ | 1 Rear* |
| Width over 15’ | 2 (Front & Rear)* |
| Length over 115’ | 1 Rear |
| Length over 85’ on certain portions of 2-lane and 4-lane highways | 1 Rear |
| Overhang more than 25’ (at point of overhang) | 1 |
| Height over 16’ | 1 Front w/ High Pole |
*(Or use yellow flashing light on load in lieu of rear escort)
*(Escort requirements vary according to routes traveled within the state and each major city. Write to the state of Colorado)
Vectra Heavy Haulers, a trusted heavy equipment transporting company with a solid reputation, will ensure secure and trusted delivery services according to your needs.
Did you know that we have information on Kansas oversize regulations as well?
We strictly follow all the heavy trucking regulations and permits issued by federal, state and local. For more information about Colorado oversize/overweight permits.