Colorado State Shipping Regulations.

2021 Colorado DOT state shipping laws, regulations, and limitations. Heavy-haul and oversize trucking in the state of Colorado.


The great state of Colorado official seal.

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Trucking company & pilot car directory.
Locate trucking companies and pilot car companies in the state of Colorado:

Colorado trucking company directory.
Colorado pilot car company directory.

Legal load limits.
Colorado DOT legal load size & weight limitations:

Length: 75’ is the maximum overall length for any vehicle in Colorado.
Width: 8’6” is the maximum width for vehicles traveling in Colorado.
Height :14’6” is the maximum height for vehicles traveling in Colorado without a permit.
Weight: GVW 80,000 lbs on Interstate or 85,000 lbs on other roads.
Overhang:  4’ front and 10’ rear.

Routine trucking permits.
Oversize and overweight trucking permits that are routinely issued by the Colorado DOT:

Length: 130′ on 4 lane highways.
Width: 17′ on most highways.
Height: Depends on proposed routing.
Weight: Your axle spacings between your groups will be what is used to determine your maximum weight limits. Single axle: 22,000 to 27,000 lbs, tandem axles: 42,000 to 50,000 lbs, tridum: 55,000 to 65,000 lbs, quadem: 60,000 to 72,000 lbs. Gross maximum weights: 5 axle: 106,000 to 132,000 lbs if single, tandem tandem. 6 axles 119,000 lbs to 147,000 lbs if single, tandem, tridum. 7 axles 132,000 to 162,000 lbs if single, tridum, tridum. 8 axles: 137,000 to 169,000 lbs if single, tridem, quadem. YOu can go up to 200,000 lbs on a routine permit.
Overhang: Case by case basis.

Pilot Car – Escort Car Requirements

Over 13’2 Lanes1 Front Escort
Over 15’4 Lanes1 Rear Escort

Over 16’1 Front Escort with pole

Over 85’2 Lanes (mountain roads) 1 Front Escort
Over 110’2 Lanes 1 Front Escort
Over 115’4 Lanes 1 Rear Escort

Colorado Travel Restrictions

Travel permitted from sunrise to sunset. Continuous travel permitted if heavy only. For individual road travel restrictions see:

How to Apply for Permits

Colorado Department of Transportation
4001 E Arkansas # 290
Denver, CO 80222

Phone: 800-350-3765 or 303-757-9539
303-757-9719 Fax
A permit is valid for 5 days
The basic fee is $17.00

Credit: Colorado Department of Transportation, Transportation Commission, Rules pertaining to transport permits for the movement of extra-legal vehicles or loads; 2 CCR 601-4

Port of Entry Information

Cortez, Colorado Phone 970-565-9420 Fax 970-565-9420
Dumont, Colorado Phone 303-567-4807 Fax 303-567-9477
Ft. Collins, Colorado Phone 970-482-1622 Fax 970-482-1622
Ft. Garland, Colorado – Closed.
Ft. Morgan, Colorado Phone 970-867-5623 Fax 970-867-5623
Lamar, Colorado Phone 719-336-4712 Fax 719-336-4712
Limon, Colorado Phone 719-775-9758 Fax 719-775-9758
Loma, Colorado Phone 970-858-1068 Fax 970-858-1068
Monument, Colorado Phone 719-481-2281 Fax 719-481-2494
Platteville, Colorado Phone 970-785-2427 Fax 970-785-2427
Trinidad, Colorado Phone 719-846-2408 Fax 719-846-2408

The information contained in these pages is research information primarily for use by oversize and overweight trucking company drivers, dispatchers, and pilot car companies. While every effort is put into maintaining the accuracy of this information you must absolutely verify this information with the Colorado State DOT Permits office before commencing movement.

Additional info


Colorado oversize trucking permits

Colorado oversize trucking permits

Colorado oversize trucking permits for oversize and over-weight shipping help – DIY.

Save money DIY trucking permits. Oversize and over-weight.

Save money DIY trucking permits. Oversize and over-weight.

Do it yourself oversize and over-weight trucking permits for Colorado.

In this day and age trucking companies need to save every little bit they can and one place that we see where there is plenty of room for savings in in the oversize and over-weight trucking industry. Need help getting started? Well we can show you exactly how easy it is to get oversize and overweight trucking permits on your own. Many states are learning the it is much cheaper for them to simply create and automated online system that will enable people to enter their own information. This is what the trucking permit providers are not going to tell you as their lively hood depends on you calling them. But if their jobs don’t require the amount of work it used to then it is time for the American trucking companies to wake up and get with it. In most states ordering over-dimensional and over-weight permits is easy and your company stands to save thousands and even tens of thousands of dollars by issuing your own trucking permits.

You can start filing for your own oversize and over-weight trucking permits for Colorado today!

That’s absolutely right. Colorado DOT is still a little behind the curve meaning they don’t have an online trucking permit system implemented yet BUT they do have a easy to print permit application that you can simply fill out and fax back to them. They will debit your card just like a permit provider company but it will be much lighter on your bank account if you do it yourself. Infact, most trucking permit companies charge anywhere from $30 to $60 for an oversize or over-weight trucking permit in Colorado state. Ordering a permit is as easy as 1,2,3.

  1. First you may wish to read the Colorado DOT rules and regulations.
  2. Print and fill out this transport permit application.
  3. Fax the completed application to the number at the top of it.
  4. Kick back and relax. A whole team of professionals is getting your trucking permit approved.

Is that easy or what? Why pay as much as another 10% of your line haul for trucking permits? All it takes is just a few moments of your day and you can save thousands of dollars and even more. Oversize and over-weight trucking permits are a breeze when you do it yourself and you save! If you have any ideas that can help other trucking companies file their own trucking permits please share them with out other viewers by leaving your comments below.