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CDL knowledge practice
The manuals are long and the rules are specific. Start with free questions on the endorsements in this bank. No account. CDL Full Access is $19/month when you want the rest of that bank.
Free practice stays free · State pages only when the facts are written · No account for the free sets
One product: the knowledge tests for a commercial driver license.
Each card is one section in this bank. The first number is the free set. The second is every original question in that section. A score on a set is not a pass rate.
Class of vehicle, space ahead, cargo checks, hours of service, and the alcohol line for a commercial vehicle.
20free questions
55unique questions
Dual air systems, the low-air warning, spring brakes, downhill braking, and what a skipped air-brake test does to the license.
20free questions
55unique questions
Glad hands, the fifth wheel, offtracking, trailer skids, and the checks that happen before the landing gear comes up.
20free questions
55unique questions
Shipping papers, placards, hazard classes, leaks, and the extra clearance a hazmat endorsement still needs.
20free questions
55unique questions
Liquid surge, baffles versus bulkheads, outage, and why a high tank takes a curve slower than a car.
20free questions
55unique questions
The rear trailer, coupling a converter dolly, and why a T endorsement is not a map of every road.
20free questions
55unique questions
Railroad stops, fueling with riders, clear exits, and the standee line. Practice only — not ELDT.
20free questions
55unique questions
The danger zone, amber and red lamps, student counts, and the endorsements a school bus still needs.
20free questions
55unique questions
CDL endorsement sets are open with no account. Pick a section and answer the free questions.
The CDL hub lists every state page that is live. Each one uses this same practice bank and writes that state's process in its own words.
Free practice stays free. CDL Full Access is $19/month for every knowledge endorsement in this product.
