🚗 Car knowledge test
35 questions · 28 correct to pass
Status: Official published format verified
Last verified 2026-08-24
Illinois driving-test verification
Government-source records for car, motorcycle and commercial knowledge tests. DriveTest never presents a practice-exam size as an official state exam count unless the government source publishes that count.
🏍️ Motorcycle knowledge test
Official source reviewed; fixed live count is not publicly stated in the reviewed source.
DriveTest practice exam: 25 questions
Status: Government source reviewed
🚚 Commercial / CDL knowledge tests
🚚 General Knowledge
30 questions · 24 correct to pass
Status: Official published format verified
🚚 Air Brakes
Official source reviewed; fixed live count is not publicly stated in the reviewed source.
DriveTest practice exam: 25 questions
Status: Government source reviewed
🚚 Combination Vehicles
Official source reviewed; fixed live count is not publicly stated in the reviewed source.
DriveTest practice exam: 20 questions
Status: Government source reviewed
🚚 Passenger
Official source reviewed; fixed live count is not publicly stated in the reviewed source.
DriveTest practice exam: 20 questions
Status: Government source reviewed
🚚 School Bus
Official source reviewed; fixed live count is not publicly stated in the reviewed source.
DriveTest practice exam: 20 questions
Status: Government source reviewed
🚚 Tank Vehicles
Official source reviewed; fixed live count is not publicly stated in the reviewed source.
DriveTest practice exam: 20 questions
Status: Government source reviewed
🚚 Doubles / Triples
Official source reviewed; fixed live count is not publicly stated in the reviewed source.
DriveTest practice exam: 20 questions
Status: Government source reviewed
🚚 Hazmat
Official source reviewed; fixed live count is not publicly stated in the reviewed source.
DriveTest practice exam: 30 questions
Status: Government source reviewed