View instructions
Safely pulling double and triple trailers requires knowledge and skill. If you want to pull double or triple trailers, you must add the Doubles/Triples (T) endorsement to your Class A CDL. The Illinois doubles triples test consists of 20 questions. To pass, you must correctly answer at least 16 questions (80%). The IL CDL doubles triples test covers the following sections of the Illinois CDL Manual: Driving Safely, Air Brakes (if you plan to operate vehicles equipped with air brakes), Combination Vehicles, Doubles and Triples. Take this IL CDL practice test now to prepare for the actual test!
1.
If you hear a loud loud "bang" and the steering feels "heavy", you should:
|
brake hard and pull off the road.
|
|
|
check your rearview mirrors to see if you have a flat tire.
|
|
|
hold the steering wheel firmly and stay off the brake.
|
|
|
pump the brakes until the vehicle has slowed down.
|
2.
When the wheels of a trailer lock up:
|
the trailer will tend to swing around.
|
|
|
the vehicle will gradually come to a complete stop.
|
|
|
ABS will increase stopping power.
|
|
|
All of the above.
|
3.
Which of the following is not a sign of fatigue?
|
Frequent blinking
|
|
|
Rubbing eyes
|
|
|
Yawning repeatedly
|
|
|
Keeping a steady speed
|
4.
The posted speed limit for a curve:
|
is safe for trucks or buses, but it may be too fast for cars.
|
|
|
is optional and may be exceeded.
|
|
|
is safe for all vehicles.
|
|
|
may be too fast for many trucks or buses.
|
5.
With low beams, drivers can see ahead about:
|
15 feet
|
|
|
250 feet
|
|
|
150 feet
|
|
|
100 feet
|
6.
In a dual air brake system, if one air system is very low on pressure:
|
you should pump the brakes to restore pressure.
|
|
|
you should drive and brake as you always have.
|
|
|
either the front or rear brakes will not be operating fully.
|
|
|
the effect won't be noticeable for the first 50 miles.
|
7.
When your vehicle starts to skid, you must take action to:
|
restore traction to the tires.
|
|
|
accelerate and countersteer.
|
|
|
use controlled braking.
|
|
|
use stab braking.
|
8.
Air tanks usually hold enough compressed air to allow the brakes to be used _________ even if the compressor stops working.
|
for one day
|
|
|
for one stop
|
|
|
for 3 days
|
|
|
several times
|
9.
Doubles and triples are:
|
more stable than straight trucks.
|
|
|
less likely to turn over than other combination vehicles.
|
|
|
easier to drive than other combination vehicles.
|
|
|
more likely to turn over than other combination vehicles because of the "crack-the-whip" effect.
|
10.
The tire load for each tire is stated:
|
on the side of the tire.
|
|
|
on the inside of the tire.
|
|
|
on the vehicle's operator manual.
|
|
|
on the tread of the tire.
|
Page 1 of 2
Next page
Grade this page
Frequently Asked Questions
To obtain a class D driver's license in Illinois, teens must follow the three steps of the Graduated Driver License (GDL) system. Here are the age requirements:
- For a learner's permit, you must be at least 15.
- For an initial license, you must be between 16-17.
- For a full license, you must be between 18-20.
For applicants between 18 and 20 years old, a six-hour adult driver education course is required before getting a driver’s license.
Visit the Illinois Secretary of State’s office website to book your written test. You can choose dates and times based on your preferences and the available options at various Illinois DMV locations.
You must present the following documents:
- Proof of written signature (credit cards, mortgage documents, passport, etc).
- Proof of date of birth with your full name.
- Proof of Social Security Number.
- Proof of residency (e.g., bank statement, insurance policy, or utility bill). For a REAL ID-compliant driver’s license, you have to bring two proofs.
Use this checklist to prepare for your visit and ensure you have all the necessary documents.
The DMV written test in Illinois is available in English. If you don't speak English well or experience any reading difficulties, you can request an oral examination in person at any Secretary of State driver’s license office.
The DMV written test is based on the Illinois Driver's Manual. Focus on road signs, safe driving practices and road rules. Take our free practice tests to prepare for the permit test, or sign up for DMV Premium to unlock more resources and prepare for your exam faster!
The Illinois DMV written test consists of 35 questions. Among them, 15 focus on traffic sign identification, and the remaining 20 are multiple-choice or true-false questions. These questions are based on the official manual, so it's important to study it well to maximize your chances of passing the exam.
Illinois imposes specific restrictions on new drivers according to their age.
Permit phase:
- Driving is prohibited from 10 p.m. to 6 a.m. (Saturday-Thursday) and from 11 p.m. to 6 a.m. (Friday-Saturday).
- The maximum number of passengers is one in the front seat, and the number of passengers in the back seat is limited to the available safety belts.
- Drivers and passengers must wear safety belts.
- Using a cell phone, including a hands-free device, is prohibited (except for emergencies).
Initial licensing phase:
- Driving is prohibited from 10 p.m. to 6 a.m. (Saturday-Thursday) and from 11 p.m. to 6 a.m. (Friday-Saturday).
- Drivers and passengers must wear safety belts.
- During the first 12 months or until the driver turns 18, only one passenger under the age of 20 is allowed (except for family members). After this period, only one person is allowed in the front seat, and the number of passengers in the back seat is limited to the available safety belts.
- Using a cell phone, including a hands-free device, is prohibited (except for emergencies).
Full licensing phase:
- Drivers under 18 cannot operate for-hire vehicles transporting property or require a commercial driver’s license, and until 21, they are not allowed to use any for-hire vehicles transporting people.
- Using a cell phone, including a hands-free device, is forbidden for drivers under 19 (except for emergencies).
If you are under 18, the learner’s permit is valid for two years, with a requirement to hold it for a minimum of nine months before qualifying for a driver's license. For applicants over 18, the permit is valid for one year. If it expires, a renewal fee is applicable.
If you fail the DMV written test, you can take a second attempt on the same day. However, if you fail because you were caught cheating, you will have to wait 30 days before retaking it. Generally, you have three attempts to pass the permit test within one year after the application.