Oklahoma CDL Manual 2025

The Oklahoma CDL Manual is the official guide for anyone looking to get a CDL in Oklahoma state. It covers the basis for knowing the rules, regulations, and skills necessary to drive a commercial vehicle safely. This handbook will prepare you for the written and skills tests, as it provides you the information needed to build a successful career in transport.

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What is covered in the Oklahoma CDL manual?

The Oklahoma CDL Manual is organized into sections covering everything that you may want to know about commercial driving. Here’s an overview of what’s included:

Introduction: Outlines the purpose of the CDL, and the classes and endorsements you can get.
Driving safely: Guides vehicle inspection, basic vehicle control, speed and space management, emergency procedures, and hazard avoidance.
Transport cargo safely: Explains the proper way to load, distribute weight, secure cargo, and special concerns for different types of cargo.
Air brakes: Covers air brake systems operation and maintenance, covering inspections to diagnose and troubleshoot common problems.
Combination vehicles: Relates to the operational aspects of vehicles with trailers, including the coupling and uncoupling techniques and safe driving principles.
Doubles/triples: Presents handling insights into the vehicle with two or three trailers, covering safety checks and other operational challenges.
Tank vehicle: Pertains to the transportation of liquids in tankers, focusing on stability, surge effects, and safety procedures.
Passenger transport: Outlines the regulations and safety standards for passenger-carrying drivers about the operation of buses and emergency procedures.
Hazardous material: Explains federal and state regulations about the safe handling, transportation, and identification of hazardous materials.
School bus: Covers unique responsibilities for school bus drivers, including loading and unloading procedures and maintaining student safety.
CDL disqualifications and penalties: Identifies behaviors and offenses that would result in the suspension or revocation of a CDL for situations such as DUIs and serious traffic offenses.

How to study CDL manual in Oklahoma effectively

The key to taking the CDL exams is to maximize your study effort. Here is how you will approach the manual, section by section:

Take notes: Summarize in writing important areas, like safety procedures and the steps for inspection.
Break it down: Know what type of CDL you will need and study the sections that pertain to your testing needs. Usually, this begins with general knowledge, followed by an endorsement.
Review regularly: Consistent review is important. Make sure to go over previously studied sections every day for at least 15–30 minutes to solidify what you have learned.
Study with a partner: Find a study buddy who is also taking the CDL test. Quiz each other and discuss concepts that you are struggling with.
Attend CDL training program: Supplement your self-study with a state-approved CDL training program. These programs typically cover the same material as the manual and include practical skills.
Take practice test: After reading a section, take the online practice tests based on the Oklahoma CDL Manual. They simulate the exam and show you where you need to improve.

Take Oklahoma CDL practice tests now!