|Number of tests:||4|
|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 South Carolina 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 South Carolina DMV locations.
Loading zone for freight only.
Loading zone for freight or passengers.
Loading zone for passengers or mail only.
Sound your horn
Turn off your headlights
Turn on your high beams
Flash your high beams
Are passing a bicyclist
Are travelling through an intersection
Are parallel parking
See a child who is about to run into the street
A 3-axle vehicle if the Gross Vehicle Weight is less than 6,000 pounds.
A vehicle pulling two trailers.
Any 3-axle vehicle regardless of the weight.
At least one-half of your vehicle can cross the tracks.
No trains are in sight.
There is room for your vehicle on the other side.
An approaching train is not moving fast enough to be a danger.