|Number of tests:||1|
|Number of questions:||30|
Directions: To obtain this endorsement for pulling two or three trailers, applicants must pass a 15-question test. And to pass the test, applicants must score at least 80%. Test questions are from the Maryland Commercial Driver Handbook. The Double/Triple trailers endorsement can be used with the Class A CDL. If you need additional information, please contact your local DMV office. You can find your nearest DMV office at Maryland DMV locations.
During a heavy downpour.
The first rain after a dry spell.
After it has been raining for awhile.
Pull to the curb and look to see if it is on your street.
Keep driving until you see the vehicle.
Slow down but don't stop until you see it.
Speed up and turn at the next intersection.
Turn off your headlights
Flash your high beams
Turn on your high beams
Sound your horn
Tank trucks marked with hazardous materials placards.
Motor homes or pickup trucks towing a boat trailer.
Any vehicle with 3 or more axles or weighing more than 4,000 pounds.
Cancels the effect of the alcohol.
Has no effect on blood alcohol content.
Increases blood alcohol content.
Decreases blood alcohol content.
Look only at the car in front of you while driving.
Keep your eyes moving to look for possible hazards.
Always put one car length between you and the car ahead.