Browse CDL (all states) certifications by skill
Every certification includes a summary, a free Academy course and practice tests.
1
Commercial (CDL)
4 certsCDL Air Brakes Test
Air brake parts, dual systems, inspection and using air brakes
Intermediate 30 min 252 Qs
View certification CDL Combination Vehicles Test
Driving combinations safely, coupling/uncoupling, inspection and trailer air brakes
Intermediate 30 min 205 Qs
View certification CDL General Knowledge Test
Vehicle inspection, basic control, shifting, space, hazards, cargo and emergencies
Intermediate 60 min 237 Qs
View certification CDL Hazardous Materials Endorsement (HME)
Hazmat regulations, communication rules, loading, bulk tanks and emergencies
Advanced 30 min 200 Qs
View certification