Oklahoma Class A CDL Practice Test (OK) 8

5 out of 5 (39 votes)
80% Passing score
50 Questions
10 Mistakes allowed
Preparing for your Class A Commercial Driver's License (CDL)? Our eighth Oklahoma CDL practice test is an essential tool to help you gear up for the real deal. This comprehensive permit practice test mirrors the actual Oklahoma CDL test, offering a realistic taste of the challenge ahead. Featuring 50 CDL questions, it requires a minimum score of 80% (40 correct answers) to pass, setting a high standard for your preparation. This Oklahoma commercial permit practice test spans a wide spectrum of topics crucial for any aspiring Class A CDL holder. From pre-trip vehicle inspections to mastering vehicle control, shifting gears, and navigating hills or steep downgrades, this class A CDL practice test covers it all. Additionally, it addresses vital areas such as communication with other drivers, speed control, and crucially, drug and alcohol awareness - all integral parts of safe driving practices. What sets our Oklahoma CDL practice test apart is its closeness to the real CDL permit test. The questions, drafted and meticulously reviewed by seasoned driving instructors, replicate the format and content of the actual permit test. These professionals bring decades of teaching experience to the table, having aided thousands in securing their driver's licenses. Moreover, the flexibility of our Oklahoma DMV practice test allows you to tailor your learning experience. Struggling with gear shifting or vehicle control? Focus your sessions on these areas. The prep test is available for repeated attempts, enabling you to track your progress and hone your skills at your own pace. It's an invaluable resource for any Oklahoman looking to ace their Class A CDL permit test in 2026! Embark on your path to becoming a licensed CDL holder with confidence. Our Oklahoma Class A CDL Practice Test is more than just a quiz; it's a comprehensive preparation tool designed to set you up for success in 2026!
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Sample Oklahoma CDL Test Questions - General Knowledge

Question 1

A yellow diamond warning sign displays a black Y-shaped symbol. What does it indicate?

This sign warns drivers to _____________.
  1. A A T-intersection is ahead
  2. B A Y-intersection is ahead
  3. C A construction zone is ahead
  4. D A dip is located within the intersection

Correct answer: B – A Y-intersection is ahead

The Y-shaped symbol warns that the roadway reaches an intersection configured like the letter Y. It alerts drivers to the approaching junction and the possibility of turning or entering traffic. Reduce speed as conditions require, watch for other road users, and be prepared for the roadway alignment to change.

Source: Manual on Uniform Traffic Control Devices for Streets and Highways, 11th ed. — Standard Sign W2-5, “Y-Intersection”

Question 2

Before crossing the roadway in front of a school bus, where should students stop?

  1. A At least 10 feet in front of the bus’s right bumper corner
  2. B At least 10 feet in front of the bus’s left bumper corner
  3. C At least 10 feet behind the bus’s right bumper corner
  4. D At least 10 feet behind the bus’s left bumper corner

Correct answer: A – At least 10 feet in front of the bus’s right bumper corner

Oklahoma’s CDL manual instructs students who must cross to walk to a point at least 10 feet in front of the right corner of the bumper. They should remain away from the bus and stop at the roadway’s right edge. The driver should be able to see the students, including their feet, before signaling them to cross.

Source: Oklahoma CDL Driver’s Manual — § 10.2.3, “Unloading Procedures on the Route”

Question 3

With required safeguards, a vehicle carrying Division 1.1, 1.2, or 1.3 explosives may be left in a lawful bailee’s care on which listed property?

  1. A The shipper’s property
  2. B The motor carrier’s property
  3. C The consignee’s property
  4. D Any of these properties

Correct answer: D – Any of these properties

Federal regulation permits this attendance exception on the property of the motor carrier, shipper, or consignee. The lawful bailee must know the nature of the explosives and the required emergency procedures, and the vehicle must remain within the bailee’s unobstructed view unless it is in an approved safe haven. Thus, all three listed properties can qualify.

Source: Oklahoma CDL Driver’s Manual — § 9.6.1, “Parking with Division 1.1, 1.2, or 1.3 Explosives”, 49 CFR § 397.5(a)–(b) — Attendance and Surveillance of Motor Vehicles

Question 4

A yellow warning sign showing one arrow pointing up and another pointing down warns that:

This sign warns drivers to _____________.
  1. A You are approaching a crossroad
  2. B Two-way traffic begins or continues ahead
  3. C You are entering a one-way street
  4. D The roadway ahead is closed to through traffic

Correct answer: B – Two-way traffic begins or continues ahead

The opposing arrows identify the Two-Way Traffic warning sign. It is commonly used where a divided or one-way roadway transitions to a roadway carrying traffic in both directions. Drivers should expect opposing vehicles and position their vehicles correctly within the available lane.

Source: Manual on Uniform Traffic Control Devices for Streets and Highways, 11th ed. — Standard Sign W6-3, “Two-Way Traffic”

Question 5

Which factors should determine a safe speed on a steep mountain grade?

  1. A The combined weight of the vehicle and cargo
  2. B The grade’s length and steepness
  3. C Weather and roadway conditions
  4. D All of these factors

Correct answer: D – All of these factors

The Oklahoma CDL manual identifies total vehicle and cargo weight, grade length, grade steepness, road conditions, and weather as important speed considerations. Each factor affects how quickly the vehicle accelerates downhill and how effectively it can be controlled. Never exceed a posted speed or maximum safe-speed warning.

Source: Oklahoma CDL Driver’s Manual — § 2.16.1, “Select a ‘Safe’ Speed”

Question 6

What are the functions of the emergency air line on a combination vehicle?

  1. A It supplies air to the trailer’s air tanks
  2. B It controls the trailer emergency brakes
  3. C It performs both functions
  4. D It performs neither function

Correct answer: C – It performs both functions

The emergency or supply line carries air to the trailer air tanks and controls the trailer emergency brakes. If pressure is lost in this line, the trailer emergency brakes apply. Emergency lines are commonly identified by red hoses, couplers, or other red components to distinguish them from the blue service line.

Source: Oklahoma CDL Driver’s Manual — § 6.2.4, “Trailer Air-lines”

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