1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
All tests
/
 
 
 
 
 
Advertisement

Free Pennsylvania CDL HazMat Endorsement Practice Test 2025

  • Perfect for first-time and renewal CDL/CLP applicants, and those adding endorsements
  • Based on 2025 PA commercial driver's license manual
  • Triple-checked for accuracy
  • Updated for September 2025

Driving through Pennsylvania’s unique terrain, you’ll experience the Allegheny and Appalachian Mountains, as well as the winding river valleys around the Susquehanna and Delaware rivers. Adding the Hazardous Materials (Hazmat) endorsement to your Commercial Driver’s License (CDL) is a fantastic way to expand your job opportunities, which may result in higher pay. If you’re interested, you’ve come to the right place!

A Hazmat endorsement authorizes drivers to safely transport materials classified hazardous by the U.S. government. In the Keystone State, these include gasoline, petroleum products, industrial gasses, flammable liquids and solids, and agricultural chemicals. Many prominent organizations in Pennsylvania rely on drivers with Hazmat certifications, including PPG Industries in Pittsburgh for chemical and coating manufacturing, Sunoco in Philadelphia for petroleum distribution, Air Products and Chemicals in Allentown for industrial gasses, BASF in Wyandotte for chemical manufacturing and distribution, and Westinghouse Electric in Cranberry Township for handling nuclear materials. That’s a lot of opportunities closed to drivers without the endorsement!

“Ok, so how do I add this endorsement?” Obtaining a Hazmat endorsement is a detailed process with two major steps to ensure drivers are properly trained to handle hazardous materials safely: The Transportation Security Administration (TSA) review and the DOT knowledge test. The process starts with mandatory fingerprinting and a background check conducted by the TSA, which can take several weeks to complete. During this time, you’ll want to study and practice for the DOT knowledge test. This test covers federal regulations, substance handling, packaging, quantity limits, and transport configurations for hazardous materials. With a score of 80% on Pennsylvania’s 30-question knowledge test, drivers can move closer to unlocking new opportunities (Pennsylvania CDL Handbook 2025).

Feeling overwhelmed? Don’t worry. Our Pennsylvania DOT Hazmat Endorsement practice tests focus only on the essential information needed. With content streamlined to resemble what you will face on the official DOT test, we also provide immediate feedback on each response so you can learn as you go instead of waiting for end-of-test corrections. Ready to kick off the process? Once you receive your TSA results and feel prepared from all the practice, you’ll visit the DOT with the necessary documents, pay the fees, pass the test, and start the next level of your career.

Pass the first time with Premium
PA commercial driver's license
  • Perfect for first-time and renewal CDL/CLP applicants, and those adding endorsements
  • Triple-checked for accuracy

What you need to know

4.28 out of 5 • 18 votes
7 min to complete
Available in EN and ES
Verified by Steven Litvintchouk, M.S., Chief Educational Researcher, Member of ACES. See our detailed commitment to accuracy and quality in our practice tests.
Ensuring the accuracy and quality of our program is paramount. Learn more about our rigorous standards in our Commitment to Accuracy article.

What to expect on the actual PA DOT exam

30

questions

24

correct answers to pass

80%

passing score

Are you in another state?

Your go-to, trusted source

Experience the Driving-Tests difference
Since our foundation in 2010, Driving-Tests.org has led the way in online driver's education, with over a decade of experience. Our dedicated experts, bringing together more than 50 years of collective expertise, have established us as the largest non-governmental organization in the U.S. solely focused on driver education. We go beyond the official manuals, offering unique interactive experiences and support like audio guides and an AI Assistant, to cater to different learning styles and needs.
Helping hundreds of thousands to ace their tests, our resources have earned a 4.7-star rating from over 14,500 reviews. Our goal is to make your path to becoming a confident driver as straightforward and effective as possible.
4.28/5
18 votes
Click a star to add your vote
Ask AI Coach
Hi there! I'm Officer Frank