Arkansas (AR) CDL manual 2026
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- 1
Introduction
Everyone
You will lose your CDL for at least 60 days for your first railroad-highway grade crossing violation.
This chapter has 26 more questions. Practice them in the app and see your pass chance.What penalty may a court impose for holding more than one license?
The court may fine you up to $5,000 or put you in jail, keep your home state license, and return the others.
Manual section 1.4
How long do you lose your CDL for three or more serious traffic violations in three years?
The third serious violation inside a three-year window takes the disqualification from 60 days to at least 120.
Manual section 1.3.3
- 2
Driving Safely
Everyone
Hydroplaning can occur at speeds as low as 30 mph with a lot of water.
This chapter has 290 more questions. Practice them in the app and see your pass chance.You are the first driver to stop at a crash scene on a busy highway. After parking your vehicle safely, what should you do first?
The first duty at a crash scene is preventing a second collision, so the area must be protected with warning devices before anything else is attempted.
Manual section 2.20
What should you do about an aggressive driver's gestures?
Along with avoiding eye contact, ignoring gestures and refusing to react removes the response the aggressive driver is looking for.
Manual section 2.10.3
- 3
Transporting Cargo Safely
Everyone
Stopping distance increases with overloading, and brakes can fail when forced to work too hard.
This chapter has 26 more questions. Practice them in the app and see your pass chance.What is the main purpose of the diamond-shaped placards displayed on some trucks and trailers?
Hazmat placards communicate the hazard class of the cargo so that emergency responders and other road users know the risk the vehicle carries.
Manual section 3.5
When is a high center of gravity most dangerous?
Both situations put sideways force into a load whose weight sits high. That is the combination that tips a vehicle over.
Manual section 3.2.3
- 4
Transporting Passengers
P endorsement (bus)
Caution riders to watch their step when leaving the bus.
This chapter has 98 more questions. Practice them in the app and see your pass chance.What does the manual say about the seat belt at the driver's position?
The instruction is unqualified: the driver's seat should have a belt and the driver should always wear it.
Manual section 4.1.5
During your pre-trip inspection of a bus interior, which of these items must be in safe working condition before you drive?
Before driving, the interior must be checked so that handholds, railings, floor covering, signaling devices, and emergency exit handles all work safely. These items directly protect riders who are moving about or requesting stops.
Manual section 4.1
- 5
Air Brakes
Any vehicle with air brakes
When brakes equipped with automatic adjusters are found out of adjustment, the driver should take the vehicle to a repair facility as soon as possible to have the problem corrected.
This chapter has 148 more questions. Practice them in the app and see your pass chance.Besides a red warning light, what device do many air-braked vehicles use to alert the driver to low air pressure?
Low air pressure warning systems commonly pair a red light with an audible buzzer so the driver cannot miss the warning.
Manual section 5.1.11
How may the parking brakes be operated on an older air-braked vehicle?
Newer vehicles use the yellow diamond-shaped push-pull knob, but on older equipment the same job may be done by a lever.
Manual section 5.1.15
- 6
Combination Vehicles
Class A
Landing gear must be fully raised before driving; crank handle secured; never drive with gear partially raised.
This chapter has 118 more questions. Practice them in the app and see your pass chance.Why is a fully loaded tractor-trailer more likely to roll over in a curve than a passenger car?
The higher a vehicle's center of gravity sits, the more easily it tips in a curve, and a loaded combination carries much of its weight well above the roadway.
Manual section 6.1.1
The trailer wheels lock and the trailer begins to swing around. What is this kind of jackknife called?
Locked trailer wheels swinging the trailer around is the trailer jackknife. A tractor jackknife is the different case where the tractor's own drive wheels lose grip.
Manual section 6.1.5
- 7
Doubles and Triples
T endorsement
Below 40 mph, keep one second of following distance per 10 feet of vehicle length.
This chapter has 98 more questions. Practice them in the app and see your pass chance.A converter dolly has no spring brakes. How do you release its brakes so it can be moved into position?
On a dolly without spring brakes, the brakes are held on by air stored in its tank. Opening the tank petcock bleeds that air off and frees the wheels.
Manual section 7.2.1
Your tractor has a sliding fifth wheel. What must be true of its locking pins during inspection?
Every locking pin has to be there and engaged. A slide that can move under braking shifts weight and changes how the rig handles without warning.
Manual section 7.3.1
- 8
Tank Vehicles
N endorsement
On tank trailers, if your drive wheels or trailer wheels begin to skid, your vehicle may jackknife.
This chapter has 62 more questions. Practice them in the app and see your pass chance.At a rest stop you notice product dripping from underneath your cargo tank. What should you do?
A leaking tank must not be driven; the vehicle stays put until the leak is properly addressed, because moving it spreads the product and the danger.
Manual section 8.1
Compared with most other kinds of cargo, why does a load of liquid in a tank make a truck easier to roll over?
A cargo tank places the load well above the pavement, giving the vehicle a high center of gravity. The higher the weight rides, the less sideways force it takes to tip the vehicle over.
Manual section 8.2
- 9
Hazardous Materials
H endorsement
Attending the vehicle means being on it and awake outside the sleeper berth, or within 100 feet with a clear and unobstructed view of it.
This chapter has 234 more questions. Practice them in the app and see your pass chance.When your vehicle must be placarded, where on the vehicle do the placards belong?
Placards must appear on all four sides of the vehicle so the hazard is visible from any direction of approach.
Manual section 9.3
Hazardous materials rules are built around three broad goals. Which set below matches the intent of those rules?
The regulations exist to keep the product in its container, tell everyone what the hazard is, and make sure the people and equipment moving it are safe.
Manual section 9.1
- 10
School Buses
S endorsement
The bus stops no closer than about 15 feet and no farther than about 50 feet from the nearest rail.
This chapter has 98 more questions. Practice them in the app and see your pass chance.What does a sign mounted below the cross-buck tell you?
Where the road crosses more than one set of tracks, a sign under the cross-buck gives the count, so you know how much rail you must clear.
Manual section 10.4.2
How far can the blind spot behind a school bus extend, depending on the bus's size?
The rear blind spot runs from roughly 50 to 150 feet and can reach 400 feet on a longer, wider bus. Nothing in that space is visible without the side mirrors.
Manual section 10.1.3
- 11
Pre-Trip Vehicle Inspection
Everyone (skills test)
Inspect that handrails are secure and, if equipped, that the step lights are working.
This chapter has 200 more questions. Practice them in the app and see your pass chance.What must be true of the lug nuts on every wheel?
Every nut must be there and tight. Rust trails or shiny threads around a nut are the signs that it has been working loose.
Manual section 11.5.2
What color must the reflectors mounted on the rear of a trailer be during your inspection?
Reflectors on the rear of the vehicle must be red; amber reflectors belong on the front and sides toward the front.
Manual section 11.2.7
What’s different in Arkansas
Most of every state manual is the same federal material. These are the parts that are not.
- Skills test: the modernized skills test.
- Checklist on the pre-trip: Yes. You may use a blank checklist as a memory aid during the vehicle inspection.
- Low air warning in the pre-trip inspection (skills test): before pressure drops below 55 psi.
The official Arkansas CDL manual
Commercial Driver's License Manual
Published by Arkansas State Police · March 2025 version