America's truck drivers have to ace this test before controlling a 26,000-pound vehicle on the open road - see if you can pass it

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Can you pass the CDL test?

• Before getting their Commercial Driver's License (CDL), long-haul truck drivers must pass the CDL exam.
• The CDL exam varies from state to state, but certain questions on safety, driving the 80-foot vehicle, and sharing the road with others are the same. 
• Here are 15 questions from a sample CDL exam. You need an 80% to pass. 

Not just anyone can control a vehicle that's up to 80,000 pounds.

Before long-haul truckers can start working, they need a Commercial Driver's License (CDL). One requirement for that is passing the CDL exam. 

There are several different types of CDLs, including A, B, and C. Class A is the most common, as it allows the holder to drive a truck and a trailer weighing more than 26,001 pounds. You can also get a variety of endorsements to transport hazardous materials or double or triple trailers.

The exam varies from state to state, but certain questions on safety and sharing the road with others are the same. 

Here are 15 questions from a sample CDL exam, as provided from Driving-Tests.org's database of previous CDL exams. You need an 80% (12/15 questions correct) to pass.