Real questions from the official Colorado driver handbook, each with a plain-English explanation. Free, unlimited retakes, no signup.

Smart Review drills only the questions you get wrong. Full-length mock exams in the real format. Progress saved on every device — and the same account unlocks the mobile app.
Get Smart Review & Mock ExamsThis draw of 20 questions breaks down like this:
Heaviest on Licensing & Permits (4 of 20) — that is the section to revise first if you miss several here.
20 are Colorado-specific questions, drawn from the state handbook rather than general road rules.
Each test on this site draws a different set, so Test 1, 2 and 3 never repeat a question.
Answer: Give room and pass only when safe
Give bicyclists room and pass only when safe.
Answer: Obey the lower posted school-zone limit
Obey the reduced school-zone limit.
Answer: Move over a lane
Move over a lane when safe for stopped emergency vehicles.
Answer: 0.02%
Under-21 drivers face revocation at a BAC over .02.
Answer: Worn too low to grip the road
Worn tread loses traction — replace low tires.
Answer: Adequate tread, winter tires, or chains
Colorado's traction/chain laws may require adequate tread, snow tires, or chains in winter.
Answer: Left turn
Arm straight out = left turn.
Answer: Only if a parent or licensed adult is in the vehicle
For the first 6 months you can't have passengers under 21 unless a parent/licensed adult is present.
Answer: 20 MPH under the posted limit
Slow to 20 MPH under the posted limit when it's above 45.
Answer: Carry your license and show it on request
Carry and present your license when asked.
Answer: Trucks that have lost braking to stop safely
Runaway ramps let trucks with brake failure stop safely — don't block them.
Answer: 0.08% or greater
DUI per se applies at a BAC greater than 0.08%.
Answer: Passing, left turns, and when volume prevents merging right
The passing (left) lane is for passing and left turns — keep right otherwise.
Answer: Stop and give information
Stop and exchange information at any crash.
Answer: Use a designated driver or ride
Plan a sober ride — never drive impaired.
Answer: A driver-awareness/education requirement plus supervised driving
Under-18 drivers must meet driver-education and supervised-driving requirements.
Answer: Use hand signals until repaired
Use hand signals if your signals fail.
Answer: Siblings and medical emergencies
Siblings and medical emergencies are exceptions to the passenger limits.
Answer: Lead to license suspension/revocation
Leaving the scene or failing to report a crash can suspend/revoke your license.
Answer: Pull over safely and rest
Only rest cures drowsiness — pull over.
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