CDL Practice test by CDL Test Pro, with 1000+ questions on different topics in 50+ states, can be a destination for individuals aiming to conquer the CDL test with flying colors. Let's practice now with numerous practice tests and mock tests with detailed answers and explanations.
CDL stands for Commercial Driver's License that allows drivers to operate commercial hazardous material vehicles that are large, heavy, or placarded in the U.S. This license is required for certain types of commercial motor vehicles (CMVs). There are typically three classes of CDLs according to federal standards:
In order to successfully get a CDL License in 2023, you need to meet the following requirements:
One of the most crucial criteria to get a CDL License is to pass the CDL knowledge test. There are several sections of CDL knowledge tests that you need to pass depending on the license class you're looking for (Class A, B, or C) and the necessary endorsements. Here are the sections in a CDL written knowledge test:
- required for all applicants
- 50 multiple choice questions
- include CDL rules & requirements, safe driving, safe transportation of cargo, pre-trip vehicle inspections
- required for driving combination vehicles
- 20 multiple choice questions
- include driving combination vehicles safely, combination vehicle air brakes, antilock brake systems, coupling & uncoupling, inspecting a combination vehicle
- required for driving a truck or bus with air brakes
- 25 multiple choice questions
- include parts of an air brake system, dual air brakes, inspecting air brake systems, using air brakes
- required for driving a more-than-26,000-pound CMW for liquid/gaseous materials transport
- Class A or B vehicle of more than 119 gallons per permanently mounted system or more than 1,000 gallons per portable system.
- required for driving double or triple trailers
- 20 multiple choice questions
- include questions on how to couple and uncouple trailers, pulling double/triple trailers, doubles/triples air brake checks, inspections
- required for driving a vehicle with a HAZMAT placard
- 30 multiple choice questions
- include the intent of the regulations, communication rules, loading and unloading, bulk packaging marking, driving and parking rules, emergencies
- required for driving a 16-or-more-passenger vehicle including the driver
- used to transport students
- include danger zones, use of mirrors, loading and unloading, emergency exit and evacuation, railroad-highway crossings, student management, antilock braking systems, special safety considerations
- required for driving a 16-or-more-passenger vehicle including the driver
- 20 multiple choice questions
- include vehicle inspection, loading and trip start, on the road, after-trip vehicle inspection, prohibited practices, use of brake-door interlocks
- required for every single time you drive a truck
- include the engine compartment, trailer, drivers door fuel door, or the entire vehicle
Below are the sections by license types and by endorsement:
Sections by license types:
Section |
Class A |
Class B |
Class C |
General Knowledge |
X |
X |
X |
Passenger Transport |
|
|
|
Air Brakes |
X |
X |
X |
Combination Vehicles |
X |
|
|
Sections by endorsement:
Section |
Hazmat |
Double/Triple |
Tank Vehicles |
Passenger |
School Bus |
General Knowledge |
|
X |
X |
X |
X |
Passenger Transport |
|
|
|
X |
|
Air Brakes |
|
X |
|
|
|
Combination Vehicles |
|
X |
X |
|
|
Doubles and Triples |
|
X |
|
|
|
Tank Vehicles |
|
|
X |
|
|
Hazardous Materials |
X |
|
X |
|
|
School Buses |
|
|
|
|
X |
With the aim of assisting candidates to master the CDL written knowledge test and successfully gain a CDL License, CDL practice test by Estudyme is designed in the form that is most suitable and convenient for learners to follow.
CDL practice test consists of questions on different sections in more than 50 states. Especially, CDL practice test questions will be identical to those in the actual test. This can help you both get to know and pass the test with flying colors.
After choosing your state, CDL practice test will be divided into diverse sections including
This test will be in the form of multiple choice questions and the content will be different in each state.
Once passing the CDL written knowledge test, you are asked to take a behind-the-wheel road test. This test can be separated into 3 parts: