CDL Permit: Practice Test 2025

Ace your CDL exam with a great level of self-assurance!
A CDL is a driver's license that allows you to operate commercial motor vehicles. Obtaining a CDL means you have the skills and capability to operate a specialized vehicle, whether it is a commercial truck, combination vehicle, school bus, or fuel tanker. The rules differ for each state and our app collects them all in a single and convenient package!
Depending on your state and required CDL category you are able to study these knowledge domains:
* General knowledge (required for all)
* HazMat
* School bus
* Passenger Vehicles
* Air Brakes
* Combination Vehicles
* Double/Triple Trailers
* Tanker Vehicles
* Pre-inspection
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Subscriptions can be managed and auto-renewal can be turned off in Account Settings in iTunes after the purchase. Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable.