KYTC Customer Number vs KYU Number vs USDOT Number: Which One Does the Portal Want?

KYTC Customer Number vs KYU Number vs USDOT Number: Which One Does the Portal Want?

Table Of Contents

• Introduction

• The Three Numbers at a Glance

• Step One: Your KYID Account

• Where the Portal Asks for Each Number

• How the KYU Number Works After Registration

• Filing Your Quarterly Returns

• Common Mistakes to Avoid

• Why Many Trucking Companies Choose Our Service

• FAQ

Introduction

Many carriers get stuck on the first screens of the Kentucky Motor Carrier Portal. The portal mentions a KYTC customer number, a KYU number, and a USDOT number, and they are easy to mix up.

This guide explains what each number is, where the portal asks for it, and how they connect to the Kentucky Weight Distance Tax. Everything here is based on the Kentucky Transportation Cabinet's KYU page and its KYU Registration Guide 2026.

The Three Numbers at a Glance

• USDOT number. Your federal carrier identification number. Kentucky electronically ties your KYU to it.

• KYTC customer number. A customer number assigned by the Kentucky Transportation Cabinet. The registration guide says it plainly: "Your KYTC customer number is not your KYU number."

• KYU number. Your Kentucky Weight Distance Tax license number. It is issued only after you complete the online KYU application.

Step One: Your KYID Account

Before any number comes into play, you need a KYID account. The KYTC KYU page states that for first-time access, you must set up a KYID account before applying for a KYU number. It also states that you must have a registered KYID account to file taxes electronically.

KYID is the login, not a tax number. If you have trouble signing in, KYTC keeps a separate KYID troubleshooting page.

Where the Portal Asks for Each Number

Here is how the numbers appear during registration, following the KYU Registration Guide 2026:

• Choosing your role. When you build your profile, choose Motor Carrier if you operate under your own DOT authority. Choose Registrant if you are leased to another carrier and run under their DOT authority.

• Profile setup (Step 8). The guide says: "Enter your USDOT number OR your KYTC customer number in the respective fields." You only need one of the two here.

• Weight question (Step 12). The portal asks whether your vehicles are registered for greater than 59,999 lbs. Click Yes if they are.

• KYU issued (Step 23). After you accept the terms, the guide says you will be issued your KYU number on the following screen.

So the short answer: at profile setup, the portal wants your USDOT number or your KYTC customer number. The KYU number is something the portal gives you at the end, not something you enter to register.

How the KYU Number Works After Registration

The registration guide adds two important notes about the Kentucky Weight Distance Tax license:

• No physical license. "There is no physical KYU license; your KYU is electronically tied to your DOT number."

• Display rules. You do not have to display the KYU number on your vehicle unless you are leased to another carrier.

Because the KYU is tied to your DOT number, keeping your USDOT information accurate matters for your account.

Filing Your Quarterly Returns

Per the KYTC KYU page, the Kentucky Weight Distance Tax requires quarterly tax filings regardless of travel for all qualified vehicles through KYU E-File:

• Rate. The tax is computed at $0.0285 per mile.

• Online only. Returns must be filed and paid online through the Motor Carrier Portal by credit card or ACH.

• Filing windows. Filing opens April 1, July 1, October 1, and January 1 for the prior quarter.

• Zero miles still count. If you did not travel during a quarter, you must file zero miles to avoid a penalty, interest, and a $500 revocation fee.

Common Mistakes to Avoid

• Entering your KYU number as your customer number. KYTC says they are different numbers.

• Hunting for a KYU number at Step 8. The guide asks for your USDOT number or your KYTC customer number.

• Picking the wrong role. Leased drivers running under another carrier's authority should choose Registrant.

• Skipping KYID setup. Without KYID, you cannot apply or file the Kentucky Weight Distance Tax electronically.

• Not filing a zero-mile quarter. No travel still means a return is due.

Why Many Trucking Companies Choose Our Service

Kentucky Trucking Online helps carriers handle the Kentucky Weight Distance Tax and the trip permits they need to run in Kentucky. We provide support 24/7 and also work weekends and holidays. Our Kentucky trip permit prices are simple:

• IFTA (fuel) trip permit: $95

• KYU trip permit: $95

• IRP trip permit over 55,000 lbs: $95

• IRP trip permit under 55,000 lbs: $95

• KIT trip permit: $95

or

FAQ

• Is my KYTC customer number the same as my KYU number?

  No. The KYU Registration Guide states that your KYTC customer number is not your KYU number.

• Which number does the portal want at profile setup?

  Your USDOT number or your KYTC customer number, entered in the respective field.

• When do I get my KYU number?

  It is issued on the screen that follows accepting the terms at the end of the online KYU application.

• Do I get a physical KYU license?

  No. There is no physical KYU license. Your KYU is electronically tied to your DOT number.

• Do I need a KYID account?

  Yes. KYTC requires a KYID account before applying for a KYU number and to file taxes electronically.

• How much do your Kentucky trip permits cost?

  Our IFTA, KYU, IRP over 55,000 lbs, IRP under 55,000 lbs, and KIT trip permits are each $95.

For more information, visit the Kentucky Transportation Cabinet Division of Motor Carriers.