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
An example of a Class 5 hazard would be:
Before moving tanks of hazardous materials, all valves and manhole covers must be:
If your vehicle is transporting ____ of chlorine, you should stop before crossing a railroad grade.
When loading or unloading explosives, which of the following is true of the cargo space itself?
Shippers need to certify that the packaging of hazardous materials was done according to regulations except when ________.
One of how many different symbols could appear in column one of the hazardous materials table?
A railroad crossing is ahead of you and you are hauling hazardous material. When you stop for the crossing, you can stop as far away as _____ feet from the nearest rail.
When hazardous materials are spilling from your vehicle, do not move your vehicle:
The shipping papers must include all of the following except:
When transporting Division 1.1, 1.2 or 1.3 Explosives, driver must have and be familiar with all of these except:
Before transporting a material, drivers should check:
You are driving a vehicle loaded with explosives, when is it safe to leave the vehicle unattended?
The shipping description of a hazmat on the shipping paper must include all of the following except:
There are ____ classes of hazardous materials.
A bulk package, requiring placards when transporting hazmat, is defined as single container with a capacity of:
You cannot have overhang or tailgate loads of ____________.
As a person who transports hazardous materials, you or your employer must phone the National Response Center when ______.
A hazardous material is ______ during transportation.
What is the most common cargo tank for gases?
A resource to local police and firefighters that serves to coordinate response to chemical hazards is the: