Commercial Driver FAQs in Montana

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If I fail the written test how long do I have to wait before I can take it again?

You can test again as soon as the next day.

If I take the written test again will I have to pay another test fee?

The state allows you to take 3 tests, if needed, within a period of 1 year on the same set of receipts.

For how long are commercial driver licenses valid ?

5 years.

What's the difference between interstate and intrastate licenses?

An interstate license will allow you to operate a commercial vehicle in any state, whereas an intrastate license is valid only in Montana.

How easy is it to upgrade from an intrastate to an interstate license?

Very easy. You can upgrade at any time. All that's required is that you pass the appropriate tests, own a valid Department of Transportation (DOT) card, and pay all necessary fees

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