Free Colorado CDL HazMat Practice Test 2023

Welcome to the free CDL hazmat practice test for Colorado drivers. As you know, Hazardous Materials (HazMat) endorsement which allows you to carry a wider range of loads, including those objects with more dangerous items requires more training. As a CDL holder, if you want to expand your horizons, you have to get HazMat. The CDL hazmat questions will test your knowledge of various aspects of the safe transport and handling of hazardous materials. Our Colorado CDL practice test will give you the real experience of the exam as you will be more familiar with both the test format and the subject. The questions are based on the Colorado CDL manual and each question has a detailed explanation so that it is very useful for you to learn more about each topic. You can practice with our CDL practice test as often as you want. Good luck and keep driving safely!

Our CDL practice tests:
Based on 2021 CO commercial driver's license manual
Full answers + detailed explanations
Perfect for first-time, renewal applicants
CO CDL HazMat Test format:
30 questions
24 correct answers to pass
80% passing score
List of questions
Deciding which placards to use requires knowing:
Of the following individual, whose responsibility is to find out what permits or special routes you will need to haul hazardous materials?
If your vehicle is placarded, never drive near open fire unless you:
Class 1.1 explosives must not be transported in a combination vehicle if it includes:
A placarded vehicle must have at least how many identical placards?
Safe route planning for radioactive material is done by:
In order to communicate the risk of the cargo, shippers must do all of the following except:
If you are transporting explosives and you become involved in a collision, it is important you remove all explosives before separating the vehicles. These explosives must be placed how many feet away from the vehicles and occupied buildings?
What should the carrier of hazardous materials do before transportation?
A vehicle contains 500 pounds each of explosives class 1.1 and 1.2. You must use:
Shippers of hazardous wastes must include the word WASTE where?
Smoking should be avoided within any vehicle containing:
Smoldering packages of flammable solids should be:
Which of the following would be categorized as a mass explosion?
If a hazmat load is leaking, you should still drive it:
Which of the following is a corrosive hazardous material?
After loading, you should never transfer hazardous materials from one package to another, nor should you:
Nitric acid of what concentration should never be above any other product?
A carrier must give to the driver transporting Division 1.1, 1.2, or 1.3 (Class A or B) explosives:
In case of emergency, the rules on shipping papers require: