New York Doubles and Triples CDL Practice Test
Practice with real NY Doubles/Triples exam questions and detailed explanations. Rated 4.8 stars by 1,000+ drivers.
Written by CDL holders and exam prep experts · Updated April 2026
Free Questions
10
Passing Score
80%
Time Limit
No time limit specified
Prerequisites
Valid CDL license required - can be added to any CDL class
What is the Doubles and Triples Endorsement?
The Doubles/Triples endorsement is required to operate commercial vehicles pulling two or three trailers. This endorsement covers coupling procedures, inspection techniques, and the unique handling characteristics of multiple trailers.
State regulations vary - some states restrict or prohibit triples
Topic Breakdown
Coupling and Uncoupling
~8 questions
- Proper coupling procedures
- Air line connections
- Safety chain attachments
Inspection Procedures
~6 questions
- Multi-trailer inspection techniques
- Converter dolly checks
- Air brake system inspection
Driving Techniques
~4 questions
- Backing and turning procedures
- Space management
- Speed and following distance
Safety Considerations
~2 questions
- Rollover prevention
- Emergency procedures
Free Practice Questions
10 questionsQuestion 1 of 10
When pulling multiple trailers, where should the heaviest trailer be located?
Browse New York Doubles/Triples Questions
- 1. When pulling multiple trailers, where should the heaviest trailer be located?
- 2. Which trailer is most affected by the crack-the-whip, resulting in a rollover?
- 3. You are driving with double trailers and must use your brakes to avoid a crash. For emergency braking you should:
- 4. You should check trailer height before connecting a converted dolly to a second or third trailer. The trailer height is right when:
- 5. Converter dollies:
- 6. How are the spring brakes for a converter dolly released?
- 7. Before you can supply air to the air tanks of a second trailer you need to:
- 8. With the hand valve on, you should test the trailer brakes by opening the service line valve at the rear of the trailer. When you do this, you should hear:
- 9. Which of these statements about quick steering movements and doubles/triples is true?
- 10. You are doing a walk around inspection of a double or triple trailer rig. You should be sure the converter dolly air tank drain values are ____ and the pintle hook is ____.
Study Tips for New York
- 1Master coupling procedures for multiple trailers
- 2Study NY length and weight restrictions for doubles
- 3Learn backing techniques with double/triple combinations
- 4Understand rollover prevention with multiple trailers
- 5Practice inspection procedures for combination vehicles
New York CDL Information
Age Requirements
Intrastate: 18+ · Interstate: 21+
CDL Renewal
Every 8 years
ELDT Required
Yes — ELDT (Entry-Level Driver Training) from FMCSA-registered provider
New York State DMV
Official CDL Portal →Career Opportunities
Frequently Asked Questions
You need this endorsement to drive commercial vehicles pulling two or three trailers, subject to state highway regulations.
Doubles/Triples Study Resources
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