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Compare CDL endorsements: question counts and requirements
One row per endorsement, copied from each endorsement page on this site: how many practice questions it holds, its endorsement code, and whether it is required for every CDL.
8Endorsements
500Questions
This table lists the question count and the endorsement code / requirement line shown on each of this site's 8 endorsement pages. Those questions are written from the public-domain FMCSA Model CDL Manual and 49 CFR Parts 383/391, and this site's question-bank metadata records them as 500 questions in 8 categories. Each endorsement name links to its own page.
Questions across the 8 endorsements: 500.
| Endorsement | Questions | Endorsement | Required for every CDL? |
|---|---|---|---|
| General Knowledge CDL Practice Test | 65 | Required | Yes |
| Air Brakes CDL Practice Test | 62 | Restriction L if not passed | Only if you operate equipment in this category |
| Combination Vehicles CDL Practice Test | 64 | Required for Class A | Only if you operate equipment in this category |
| Hazardous Materials (Hazmat) CDL Practice Test | 64 | H or X | Only if you operate equipment in this category |
| Tanker CDL Practice Test | 63 | N | Only if you operate equipment in this category |
| Doubles & Triples CDL Practice Test | 60 | T | Only if you operate equipment in this category |
| Passenger Transport CDL Practice Test | 61 | P | Only if you operate equipment in this category |
| School Bus CDL Practice Test | 61 | S | Only if you operate equipment in this category |