Weather and road conditions may affect some of our licensing locations. Be sure to check the status of your local office before you go.
The knowledge test is available in 4 languages (interpreters aren't allowed):
You can take the knowledge test at any driver licensing office location that offers testing. The test fee covers 1 attempt at each knowledge test taken within 90 days of the receipt.
You must pass the knowledge test and get a commercial license permit (CLP):
You're required to take the knowledge test any time you:
Knowledge test scores are valid for:
|Knowledge test||Total questions||Passing score||Skills test needed|
|CDL general knowledge (A, B, & C)||50||40||Yes|
|CDL combination (A)||20||16||Yes|
|Tank vehicle||20||16||No, unless you're taking your skills test or training in a commercial tank vehicle, then you must take the knowledge test before we can issue your CLP.|