CDL Doubles Triples Practice Test Part 2

1. What is off-tracking in the context of double and triple trailer combinations?

2. In a double trailer combination, how does the amount of off-tracking compare to a single trailer combination?

3. You are pulling a triple combination and need to make a right turn at a four-way intersection. There is a curb on the right side and oncoming traffic. How should you position your vehicle for the turn?

4. You are driving a double combination through a construction zone with a lane shift that requires a sharp right turn followed immediately by a sharp left turn (an S-curve). What is the BEST approach?

5. You are making a left turn at an intersection with a double combination. As you enter the turn, you see that the rear trailer is tracking wide into the oncoming lane. What should you do?

6. When making a right turn with a double combination in a tight city street, what should you do BEFORE beginning the turn to ensure the rear trailer clears obstacles on the inside of the turn?

7. You are driving a triple combination and approach a roundabout. The roundabout has a diameter of 100 feet. Should you attempt to navigate this roundabout with your triple combination?

8. A driver is pulling a double combination and consistently clips the right-side mirror of vehicles parked on the street during left turns. The driver says they are turning as slowly as possible. What is the root cause and what should they change?

9. You are driving a double combination through a highway interchange with a cloverleaf ramp. The ramp curves right, then right again (double right curve). As you enter the second curve, you feel the rear trailer pushing outward. Compare this to a single trailer at the same speed — why is the effect worse with doubles?

10. Which of the following is NOT a correct technique for managing off-tracking in a double/triple combination?