Colorado State Trucking Permit Information
COLORADO
DEPARTMENT OF TRANSPORTATION
4201 E. ARKANSAS AVE. SUITE 290
DENVER, COLORADO 80222
Colorado State Trucking Permit Information website for overweight, wideload, oversized and heavy haul transport:Click Here
PHONE: 303-757-9539 800-350-3765
HOURS: MONDAY – FRIDAY 7:00 A.M. – 5:00 P.M
MOUNTAIN TIME
| LEGAL LIMITS | DESIGNATED HIGHWAY | ALL OTHER ROADS |
| Single | 20,000 | 20,000 |
| Tandem | 36,000 | 40,000 |
| Tridum | 54,000 | 54,000 |
| Gross Weight | 80,000 |
85,000 |
| Width | 8'6" | 8'6" |
| Height | 14'6" | 13 |
| Semi-trailers | 57'4 | 57'4 |
| Federal bridge formula applies to designated system. | ||
OVERHANG 4' to the front, 10' to the rear
PERMIT LIMITS
ROUTINE ISSUE
| 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 |
| 6 Axles | 119,000 - 147,000 | |
| 7 Axles | 132,000 - 162,000 | |
| 8 Axles | 137,000 - 169,000 | |
| These weights are just guidelines; the actual weight depends on the axle configurations. 172,000 lbs is routine issue, 192,000 lbs is maximum | ||
| 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' | |
These weights depend on routes used; if load exceeds any of these dimensions or weights, refer to the section on Super loads.
PERMITS VALID FOR:
Single trip permits are valid for up to five (5) days.
EXTENSION/REVISIONS
May be granted due to inclement weather or vehicle breakdown. The driver of the permitted load
must contact the headquarters permit office (800-350-3765) before the permit expires.
OPERATING TIME
Daylight hours, seven days a week, some night time travel is allowed with certain special lighting
restrictions, except where prohibited. Vehicles and loads overweight only, not exceeding 110,000
allowed continuous travel including holidays. Loads over 14’ wide are prohibited from travel during
the hours of darkness.
WEEKEND TRAVEL
Travel is permitted on Saturday and Sunday; daylight travel is allowed as well as night time travel,
however night time travel has special requirements.
DIVISIBLE LOADS
A load that can be easily reduced by removal of segments must do so; dozer blades must be removed.
EXCEPTIONS
Units having the proper number of axles and do not exceed permit limit weights may haul equipment
with items essential to their operations attached or detached, i.e. dozer, ripper, counterweights, etc.
INFORMATION NEEDED TO ORDER WIDELOAD, OVERSIZE AND HEAVY HAUL PERMITS
Load description, origin, destination, routes, tractor make, VIN number, axle weights, bridge (total
of all spacings), gross weight, number of axles and overall dimensions.
ESCORTS FOR WIDELOAD AND OVERSIZED SHIPPING
****Private escorts must have Colorado safety certificate****
($5 fee for written exam, CO certificate is reciprocal with Virginia, Utah, Florida and Oklahoma)
On height, consult state prior to move. On designated highways; heights up to 14’6” are legal. On
non-designated highways; height limits are 13’. A height pole shall be run by the front escort when
load exceeds 16’ unless otherwise advised by permit. Height poles shall not extend more than 6”
above the maximum height of extra-legal vehicle or load.
****These requirements are a summary. Colorado has very specific color-coded routes which indicate pilot needs. Please send for this map at C.DOT: State Department of Transportation, 1325 S. Colorado Blvd., Suite 707, Denver Co 80222****
| When Escorts are Needed: | #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 | 2 (Front & Rear) |
| Width over 11' on certain secondary 2-lane roads | 1 Front |
| 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 | |
| Rear projection over 25' beyond trailer | 1 or more |
| Width over 13' to 15' | 1 Rear* | Width over 15' | 2 (Front & Rear)* | Length over 115' | 1 Rear | Length over 85' | 1 Rear |
| On certain portions of 2-lane and 4-lane highways | |
| 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. State of CO DOT publishes a “Pilot Car Escort & Oversize Restriction
Map” that should be consulted: (write to the state of Colorado):
State Dept. of Transportation, 1325 S. Colorado Blvd., Suite 707,
Denver, CO 80222. Please contact state for additional information.
SPRING WEIGHT RESTRICTIONS
No restrictions. *CONTACT STATE FOR ADDITIONAL INFORMATION ON RESTRICTED TRAVEL FOR WIDELOADS, OVERSIZED AND OVERWEIGHT PERMITTED CARGO.
Overweight, Oversized & Wideload SuperLoads
Loads which exceed 17’ wide and/or 200,000 lbs gross vehicle weight must submit an application with the following information: diagrams, including axle spacings, weight on each axle, load description, length, width, height and routes desired. There may be additional charges if roads need to be closed.
Allow up to 3 weeks for approval.
CONTACT STATE FOR ADDITIONAL INFORMATION FOR OVERSIZED, OVERWEIGHT AND WIDELOAD SUPERLOADS
