Practice Test 1
A great place to start as it covers the basics of driving in CO. Each question comes with a hint and an explanation.
Practice Test 2
Questions cover basic road signs, intersections, lane markings, traffic lights, blind spots, and U-turns.
True/False Road Signs
This test quizzes you just on traffic signs alone: you'll get quite a few of those on your knowledge exam.
Practice Test 1
A great place to start: covers the basics of riding a motorcycle in Colorado. Questions come with hints and detailed explanations.
Practice Test 2
Questions cover turning, riding alongside cars, riding through intersections and curves, and maintaining balance.
Practice Test 4
Topics include stabilizing your motorcycle in tight turns, using turn signals, braking, and balancing.
Practice Test 5
This test covers riding over obstacles, reacting to hazards, riding in a group, and downshifting.
General Knowledge Test 1
A great place to start as it covers the basics of commercial driving in Colorado. Each question comes with a hint and a detailed explanation.
General Knowledge Test 2
Questions about securing the cargo, bridge formulas, using tie-downs, the driver's logbook, and highway driving.
General Knowledge Test 4
Contains essential questions that cover understanding post-trip inspection reports, driving through work zones, upshifting, and parking your vehicle.
General Knowledge Test 5
This Premium test covers another set of must-know questions about causes of fire, collisions, speed management, and skidding.
General Knowledge Test 7
Covers minimum tread depth, speed management, testing the parking brake, and vehicle fires
General Knowledge Test 8
Topics covered in this test include stopping distance, emergency equipment, drive-wheel braking skids, and crossing railroad tracks.
General Knowledge Test 10
Contains essential questions that cover front-wheel skids, controlling your vehicle's speed, and escape ramps.
General Knowledge Test 11
Topics covered in this test include fuel consumption, load binders, hydraulic brakes, and engine retarders.
HazMat Test 1
Covers the basics of transporting hazardous materials, such as containment rules, acceptable types of marking, and more.
HazMat Test 3
This members-only test covers some of the toughest questions most applicants get wrong. Topics include stopping at a railroad crossing, carrying explosives, and a uniform hazardous waste manifest.
School Bus Test 1
A great place to start if you’re just starting preparing for this endorsement. Based on the official 2023 CDL Manual. Covers topics like adjusting mirrors, loading/unloading students, and more.
School Bus Test 3
This members-only test covers must-know topics like emergencies, warning light systems, driving in high winds, and dealing with unruly students.
Passenger Vehicles Test 1
Covers the basics of transporting passengers, such as completing an inspection report, dealing with disruptive passengers, and announcing stops.
Passenger Vehicles Test 3
This members-only test covers some of the toughest questions most applicants get wrong. Topics include changing lanes, pulling out of a bus stop, the standee line, and more.
Air Brakes Test 1
Covers the basics of air brakes, such as slack adjusters, the antilock braking system (ABS), the supply pressure gauge, and more.
Air Brakes Test 2
Topics covered include the total stopping distance for air brakes, the parking brake control, and dealing with a brake system failure.
Air Brakes Test 4
Contains 30 must-know questions for your CO Air Brakes exam. Each question is based on the information straight from the Colorado CDL Manual for 2023.
Combination Vehicles Test 1
Covers the basics of driving combination vehicles, such as connecting the air lines, driving a low-slung vehicle, and uncoupling.
Combination Vehicles Test 3
This members-only test covers some of the toughest questions most applicants get wrong. Topics include testing the tractor protection valve, coupling the trailer, and a tractor jackknife.
Double/Triple Trailers Test 1
Covers the basics of using double and triple trailers, such as testing the trailer brakes, avoiding crashes, and the crack-the-whip effect.
Double/Triple Trailers Test 3
This members-only test covers some of the toughest questions most applicants get wrong. Topics include driving on slippery roads, connecting a converter dolly to a second/third trailer, and more.
Tanker Vehicles Test 1
Covers the basics of driving tanker vehicles: driving smooth bore tankers, getting out of a skid, and using a truck escape ramp.
Note: The actual Pre-Trip Inspection isn't multiple-choice; it's a hands-on segment you'll perform in front of an examiner. This critical part of the CDL road test is a must-pass. We've compiled common questions and videos to help you prepare—be sure to watch them.
Pre-Trip Inspection Test 1
Covers the basics of performing a pre-trip inspection, such as a minimum tire tread depth, inspecting the brakes, and checking for leaks.
Pre-Trip Inspection Test 3
This members-only test covers some of the toughest questions most applicants get wrong. Topics include the checking the exhaust system for leaks, testing the external lights, and more.
Pre-Trip Inspection Video
by Apex CDL Institute
How to perform a CDL Class A Pre-Trip Inspection
Pre-Trip Inspection Video
by CDL College
Full Exterior and in Cab PTI
by West Georgia Tech College
Air Brake Tests for Combination Vehicles
Daniel B.'s CDL Pre-Trip Inspection Guide, TruckingTruth.com, https://cdn.truckingtruth.com/pre-trip-inspection/pre-trip-guide.pdf" CDL CLASS A Pre-Trip Inspection 2020 (Updated) - Driving Academy How to Pass CDL Your Road Test," https://www.youtube.com/watch?v=tZBEVTx_nLo" How to perform a Class A CDL Pre-Trip inspection. Demonstrated by a state licensed CDL examiner." https://www.youtube.com/watch?v=EfW615ZnELE
CO Driver's Handbook
The CO DMV recommends that you read the official handbook. Please read it at least once, just to get a sense of the material.
CO Motorcycle Handbook
The CO DMV recommends that you read the official motorcycle handbook. Please read it at least once, just to get a sense of the material.
Señales de Tráfico Examen
¿Necesita practicar sus conocimientos de las señales de tráfico? Este examen de práctica gratuito cubre las señales de tráfico más importantes y su significado.
Prueba para la CDL con Frenos de Aire
Si usted busca obtener el endoso de Frenos de Aire para su CDL, esta prueba de práctica es el mejor lugar para comenzar a estudiar. Nuestras preguntas están basadas en el Manual del Conductor de Vehículos Comerciales de CO 2023.
Prueba para la CDL con Frenos de Aire de CO 3
Esta prueba de práctica exclusiva para nuestros suscriptores, contiene algunas de las preguntas más difíciles que pueden venir en el examen y que muchos de los solicitantes contestan erróneamente. Para poder tomar su examen para Frenos de Aire usted debe saber la respuesta a estas preguntas, cada pregunta viene con una pista y explicación detallada de la respuesta.