If you are a resident of the state of Colorado who is ready to cruise the roads in your cdl (trucks and buses), this free CO CDL (Trucks and Buses) permit practice test is the perfect way to prepare for your exam. Every practice test question on DrivingTests101.com is specifically designed to test your knowledge of the Colorado CDL (Trucks and Buses) Operator Manual, the study guide for the exam administered by the CO Division of Motor Vehicles. The format of the permit practice test below will prepare you for your experience when you go to take the official examThis Colorado CDL (Trucks and Buses) permit practice test is a great study resource because it supplies you with randomized tests filled with multiple choice questions and answers, and provides you the correct answer immediately after you make your choice. We use this method so you can learn as quickly as you can to learn the rules of the road, pass your test and build your confidence for driving. Pass your Colorado CDL Permit Practice Test by taking these CO cdl (trucks and buses) permit practice tests and be one step closer to planning your first cdl (trucks and buses) road trip!