Question 1
At 55 mph on dry pavement, a driver covers about 142 feet while perceiving a hazard, 61 feet while reacting and 216 feet while braking. What is the total stopping distance?
California CDL test notes
California gives the same general knowledge, air brakes and combination vehicles tests on its automated testing machines, in six languages. You get three attempts to pass on one application, with no wait between them.
| Languages | English, Arabic, Chinese, Punjabi, Russian and Spanish |
|---|---|
| Attempts | 3 on one application; no wait to retake |
| CLP | Up to 180 days, renewable once, no more than 1 year in all |
| Time to allow | 2 to 3 hours for all tests |
Which tests you take
- General knowledge: all applicants.
- Air brakes: vehicles with air brakes, including air over hydraulic brakes.
- Combination vehicles: to drive combination vehicles.
- Passenger transport for bus drivers, and tank, doubles, hazardous materials, school bus and firefighter tests as needed. Triple trailers are not legal in California.
Testing rules
Testing aids are banned, including the handbook itself and phones or watches. Use of one, or a substitute test taker, marks the test as a failure. Passed skills test segments count only during the CLP's first 180 days.
Try 3 questions
Question 2
Before you back under a trailer, how should the fifth wheel be set?
Question 3
A trainer says your truck has a dual air brake system. What does that mean?
Next step
Questions people ask
How many times can I take the California CDL knowledge test?
Three attempts on one application, with no waiting period between them.
What languages is the California CDL test in?
English, Arabic, Chinese, Punjabi, Russian and Spanish.
How long is a California CLP good for?
Up to 180 days. It may be renewed for another 180 days without retaking the knowledge tests, as long as the total is no more than one year from the application.