Colorado General Knowledge Test
Know how to handle steep grades on I-70 near Denver? That’s on the test.
Select Test Mode
Get ready for the real Colorado CDL General Knowledge test. Starts with 50 questions, 80% needed to pass.
Key Topics
- •Vehicle inspection basics
- •Safe gear shifting
- •Mountain driving tips
About the Colorado General Knowledge Test
Topics Covered
- ✓Vehicle inspection – Critical because mountain roads demand equipment in top shape
- ✓Basic control of vehicle – Especially important when descending steep grades like those on I-70
- ✓Shifting gears properly – Needed due to varying terrain from plains to mountains
- + 3 more topics
📘 Study Tips & State Info
Focus on how things change at elevation. Brakes fade faster going down Pikes Peak Highway or Berthoud Pass. Your air compressor works differently too. Get comfortable adjusting techniques accordingly.
Examiners in Colorado care less about perfect recitation and more about practical application. If a question asks about stopping distance on wet pavement at 65 mph, they want to know you won’t push it near the edge of a cliff on Trail Ridge Road.
You must take the General Knowledge Test before scheduling your skills exam. Testing centers include Denver East, Colorado Springs, Fort Collins, and Grand Junction. Most require appointments; walk-ins may wait hours.
Fees vary by location but expect around $30 for the written portion. Bring proof of identity, residency, Social Security number, and medical certificate. Without the latter, even passing won’t let you proceed.
If English isn’t your primary language, oral translation services might be available — call ahead. Also note that some rural sites only offer paper tests, which means slower scoring.
About the Colorado General Knowledge Test
The Colorado CDL General Knowledge Test is your first step toward getting behind the wheel of a commercial vehicle in this state. It checks that you understand safe driving practices, basic vehicle control, and Colorado-specific hazards like high altitude braking issues and winter weather on highways such as US-6 through the Rockies.
This isn’t just a memorization quiz — it mirrors what our DMV examiners see daily. From logging trucks pulling doubles in Grand Junction to flatbeds hauling loads over Wolf Creek Pass, we know what causes trouble out here. You’ll need to show you can drive smart, not just hard.
Colorado uses computer-based testing at most DMV locations now. Bring your documents, pay attention to signage, and expect clear instructions if you’re taking it in person. Online options are limited, so plan ahead.
Topics Covered
Study Tips
Focus on how things change at elevation. Brakes fade faster going down Pikes Peak Highway or Berthoud Pass. Your air compressor works differently too. Get comfortable adjusting techniques accordingly.
Examiners in Colorado care less about perfect recitation and more about practical application. If a question asks about stopping distance on wet pavement at 65 mph, they want to know you won’t push it near the edge of a cliff on Trail Ridge Road.
Colorado Specific Information
You must take the General Knowledge Test before scheduling your skills exam. Testing centers include Denver East, Colorado Springs, Fort Collins, and Grand Junction. Most require appointments; walk-ins may wait hours.
Fees vary by location but expect around $30 for the written portion. Bring proof of identity, residency, Social Security number, and medical certificate. Without the latter, even passing won’t let you proceed.
If English isn’t your primary language, oral translation services might be available — call ahead. Also note that some rural sites only offer paper tests, which means slower scoring.