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To help you pass the General Knowledge exam for a Commercial Learner’s Permit (CLP) on your first attempt, this Free Colorado CDL Test Questions & Answers Practice Test is the perfect choice. Every CLP applicant must pass this test regardless of license class, and our practice tests are designed to mimic what the state expects from you on the official exam. In fact, just today there were 81 and 1,638 this week. Unlike printable study guides or static PDFs, this practice test prepares you for the real Colorado DMV testing environment, including exposing you to some of the tricky wording often used on the official exam.
The CDL General Knowledge Exam is based on the state’s official CDL Driver Manual and focuses on safe operation. You are expected to understand space and speed management, shifting and braking techniques, hazard recognition, railroad crossings, emergency procedures, skid control, accident response, fire prevention, and the effects of fatigue, alcohol, and drugs on safe driving. Because the scope is so broad and the stakes are so high (delays before taking retests and additional costs), our practice questions strip away unnecessary fluff and focus on the material that Colorado examiners are most likely to test.
M.S., Chief Educational Researcher (ACES member)
Last verified for accuracy on
This General Knowledge Practice Test No. 11 consists of multiple-choice questions written to imitate the wording and structure of the official knowledge exam. With our AI-driven immediate feedback, you actively engage with the material instead of passively reading it, which helps reinforce learning and improve retention. Our state-of-the-art Challenge Bank™ keeps track of questions you miss and brings them back until you demonstrate mastery, ensuring weak areas are addressed before test day. Our text experts have removed all the fluff that is not necessary for the official exam, saving you time and mental bandwidth. We also offer a post-practice test evaluation that identifies particular areas of study that you should focus on before your next round of practice tests. Ace this practice test and try another here: https://driving-tests.org/colorado/co-cdl-practice-test/.
You may want to continue your preparation by studying for the Colorado Air Brakes Knowledge Test, since most commercial motor vehicles operating in the state are equipped with air brake systems (and failing that section results in an Air Brakes restriction on your license): https://driving-tests.org/colorado/co-cdl-air-brake-practice-test/. You should also spend time reviewing Colorado’s vehicle inspection requirements, as the pre-trip inspection remains one of the most common obstacles for CDL applicants: https://driving-tests.org/Colorado/co-pre-trip-test/.
Driver’s Ed is - nobody wants to set foot inside the DMV. That’s why millions of learners trust us for simple, visual, effective prep.
We are an officially recognized FMCSA Entry-Level Driver Training provider and a proud partner to over 2,500 libraries. We work with safety organizations like GHSA and the National Safety Council to help create safer roads for everyone.
Our trademarked system automatically saves questions you miss, creating personalized tests that target your weak spots until you’ve mastered the material.
Get smarter as you study. Our new AI-powered feedback provides detailed, question-level insights to help you understand the why behind each answer.
Go beyond the boring black-and-white manual. Our interactive handbook lets you read, listen with an MP3 audio version, or even chat with it to find the information you need, faster.
We build our practice questions from the current 2025 CO Driver Handbook and refine them using patterns recent test‑takers report.
Driver handbook • Knowledge‑test/permit overview • Fees & ID requirements • Office/appointment info
We mirror recurring themes (e.g., right‑of‑way traps, sign look‑alikes) and use similar distractors and wording styles.
We don’t collect or publish actual test items and we’re not affiliated with DMV.
