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Colorado DOT Number

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Semi-Tractor and Flatbed Truck

Semi-Tractor and Flatbed Truck

Red Semi-Tractor with a Colorado DOT number, Colorado DOT, State of Colorado DOT, State of Colorado DOT number, DOT of Colorado, CO DOT number, CO DOT, DOT CO      Yellow Flatbed Truck with a Colorado DOT number, Colorado DOT, DOT Colorado, State of Colorado DOT, State of Colorado DOT number, DOT of Colorado, CO DOT number, CO DOT, DOT CO

For a Semi-Tractor                        For a Flatbed Truck

Call us at  (765) 742-2610  to get a Colorado DOT number, CO DOT number, DOT Colorado, CO DOT, DOT CO

Check on the Category you belong to
Click on the weight to get details
In State - For Hire In State - For Hire In State - For Hire
18,000 - 26,000-lbs Above 26,000-lbs Tri Axle & Quad Axle
In State - for Hire
Exempt Loads		 In State - for Hire
Exempt Loads		 Crossing State Lines
For Hire
18,000 - 26,000-lbs Above 26,000-lbs 10,001 - 26,000-lbs
Crossing State Lines
For Hire
Exempt Loads		 Crossing State Lines
For Hire
Exempt Loads		 Crossing State Lines
For Hire
10,001- 26,000-lbs Above 26,000-lbs Above 26,000-lbs
In State
For Hire Operator		 In State
Private Operator		 In State
Private Operator
Under 18,000-lbs Under 18,000-lbs 18,000 - 26,000-lbs
In State
Private Operator		 Crossing State Lines
Private Operator		 Crossing State Lines
Private Operator
Above 26,000-lbs 10,000-lbs and under 10,001 - 26,000-lbs
Crossing State Lines
Private Operator		 - Farmers -
In State only		 - Farmers -
Crossing State Lines
Above 26,000-lbs Above 26,000-lbs Above 26,000-lbs

A Colorado DOT Number: You are not required to register for a Colorado DOT number (Colorado DOT, DOT Colorado, Colorado DOT numbers) number for a vehicle with a Gross Vehicle Weight Rating (GVWR) of 10,000-lbs and under.  When you look on the door frame of your vehicle, you should see a chrome tag with the letters GVWR and a number. This is the maximum weight the vehicle is designed to weigh. You are required to register for a Colorado DOT number (Colorado DOT, DOT Colorado, Colorado DOT numbers) on a vehicle used in your business on a commercial basis such as a pickup truck, a van, a truck or a vehicle pulling a trailer where the Gross Vehicle Weight Rating (GVWR) is 10,001-lbs or more, or the Gross Combined Vehicle Weight Ratings (GCWR) of both the power unit and the trailer is 10,001-lbs or more, when the vehicle or vehicles remain in the state. We will register you with Colorado for a Colorado DOT number (DOT Colorado, Colorado DOT, Colorado DOT numbers, and State of Colorado DOT) for your business operation. If the truck is plated above 26,000-lbs, or the truck and trailer combination / semi-tractor and trailer loaded weights are more than 26,000-lbs, you will be required to register for the state fuel tax. Click on the state fuel tax phone number down the left side of this page. When you cross state lines with a commercial vehicle with a GVWR of 10,001-lbs or more, or a commercial vehicle and trailer with a GCWR of 10,001-lbs or more, a USDOT number is required. Call us to get either a Colorado DOT number (DOT Colorado, Colorado DOT, Colorado DOT numbers) or a USDOT number to cross state lines. When you cross state lines and your truck is plated above 26,000-lbs, or your truck and trailer combination weigh more than 26,000-lbs loaded, or your semi-tractor and trailer weigh more than 26,000-lbs loaded, you will be required to register with the state for IFTA fuel tax. If your vehicle or power unit and trailer gross more than 26,000-lbs crossing state lines, read more about crossing state lines below.  Again, the references are for a Colorado DOT number, Colorado DOT, DOT Colorado, and Colorado DOT numbers.

Colorado Intra-State Motor Carrier Authority: If you carry loads for delivery in your van, truck, truck and trailer or semi-tractor and trailer inside the state of Colorado - these loads are picked up and delivered in Colorado without crossing state lines, you may need to register for Colorado Intra-State Motor Carrier Authority. This is also refered to as a Colorado DOT number, Colorado DOT, DOT Colorado, Colorado DOT numbers.  

Private Carrier with Gross Weight / Combined Gross Weights up to 26,000-lbs: If you are a Private Carrier hauling your own products inside the state of Colorado without crossing state lines in a van, truck, truck and trailer or semi-tractor and trailer and the loaded weight of either the vehicle or vehicle and trailer combination is 26,000-lbs or under, you are not required to register for a Colorado DOT number (Colorado DOT, DOT Colorado, Colorado DOT Numbers) or USDOT number.  As a Private Carrier, you will also not be required to register for Colorado Intra-State Motor Carrier Authority at these weights, but compliance with financial responsibility is required (you are required to carry Personal Injury / Property Damage liability insurance).

Private Carrier with a Gross Weight / Combined Gross weights 26,001-lbs and above: If you are a Private Carrier hauling your own products inside the state of Colorado without crossing state lines in a van, truck, truck and trailer or semi-tractor and trailer and the loaded weight of either the vehicle or vehicle and trailer combination is 26,001-lbs or greater, you are required to register for a Colorado DOT number (also known as Colorado DOT, DOT Colorado, and Colorado DOT numbers). As a Private Carrier, you will not need to register for Colorado Intra-State Motor Carrier Authority, but compliance with financial responsibility is required (you are required to carry Personal Injury / Property Damage liability insurance). If the truck has a gross weight for 26,001-lbs or more, or the truck and trailer, or semi-tractor and trailer have gross weights of 26,001-lbs or more, you will be required to register for the Colorado state fuel tax.

For-Hire Carriers: If you haul items or products of any kind as a For-Hire Carrier (you are being paid to haul these items or products) inside the state of Colorado - picking up and delivering loads inside Colorado without crossing state lines - in a van, truck, truck and trailer or semi-tractor and trailer at any weight, you are required to register for Colorado Intra-State Motor Carrier Authority and a DOT number (also known as a Colorado DOT number, Colorado DOT, DOT Colorado, and Colorado DOT numbers). You are required to carry a minimum of $300,000 in Personal Injury / Property Damage liability insurance if the Gross Weight of the vehicle or Combined Gross Weights of the vehicle and trailer combination is 10,000-lbs or under.  If the Gross Weight of the vehicle is 10,001-lbs or greater, or Combined Gross Weights of both the vehicle and trailer are 10,001-lbs or greater, you are required to carry a minimum of $750,000-lbs in Personal Injury / Property Damage liability insurance. If the truck has a gross weight of 26,001-lbs or more, or if the truck and trailer, or the semi-tractor and trailer have combined gross weights of 26,001-lbs or more, you will be required to register for the Colorado state fuel tax.

Crossing State Lines as a Private Carrier hauling your own products: If you cross state lines as a Private Carrier hauling your own products, you will need a USDOT number and will be subject to the Unified Carrier Registration (UCR) process. But you will not need to register for ICC Authority, MC Authority, DOT Authority or Trucking Authority (they all mean the same thing).   If the vehicle crossing state lines has a Gross Weight of 26,000-lbs or less and has 2 axles, you will not be required to register for an IRP license plate, nor for IFTA fuel tax.  If the truck crossing state lines has 3 axles or more with a Gross Weight of 10,001-lbs or higher, or is pulling a trailer, you will be required to register for an IRP license plate and for the IFTA fuel tax with the state and for the Unified Carrier Registration (UCR) process.  If the truck or truck and trailer combination / semi-tractor and trailer weigh 26,001-lbs or more crossing state lines, you will need to register with the state of Colorado for both an IRP License plate and for IFTA fuel tax and for the Unified Carrier Registration (UCR) process. If you are crossing state lines as a Private carrier in a vehicle with a Gross Vehicle Weight Rating of 10,001-lbs or greater, or a vehicle pulling a trailer where the Gross Combined Vehicle Weight Ratings are 10,001-lbs or greater, you will be subject to a New Carrier Entrant Safety Audit.

Crossing State Lines as a For-Hire Motor Carrier hauling loads for pay: If you are hauling Exempt or Non-Exempt products for pay across state lines, you will need a USDOT number and will be subject to the Unified Carrier Registration (UCR) process.  If you haul loads for pay inside the state of Colorado - picking up and delivering these loads without crossing state lines, as mentioned above, you will need to register for Colorado Intra-State Motor Carrier Authority (this is also known as a Colorado DOT number, DOT Colorado, Colorado DOT, and Colorado DOT numbers). If you haul loads across state lines for pay as a For-Hire Carrier hauling Non-Exempt loads, you will also need to register for MC Authority / ICC Motor Carrier Authority.  If you haul Exempt loads (grain, livestock, logs) across state lines as a For-Hire Carrier, you will not need to register for MC Authority / ICC Authority.  If the vehicle crossing state lines has a Gross Weight of 26,000-lbs or less and has 2 axles and is not pulling a trailer, you will not be required to register for an IRP license plate, nor for IFTA fuel tax.  If the truck crossing state lines has 3 axles or more with a Gross Vehicle Weight of 10,001-lbs or higher, or is pulling a trailer with Combined Gross Vehicle Weights of 10,001-lbs or more, you will be required to register for an IRP license plate and for the IFTA fuel tax with the state and for the Unified Carrier Registration (UCR) process.  If the truck or truck and trailer combination / semi-tractor and trailer weigh 26,001-lbs or more crossing state lines, you will need to register with the state of Colorado for both an IRP License plate and for IFTA fuel tax and for the Unified Carrier Registration (UCR) process. If you are crossing state lines as a Private Carrier in a vehicle with a Gross Vehicle Weight Rating of 10,001-lbs or greater, or a vehicle pulling a trailer where the Gross Combined Vehicle Weight Ratings are 10,001-lbs or greater, you will be subject to a New Carrier Entrant Safety Audit.  Contact the Colorado State Police with the phone number in the column to the right. 
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