Colorado Lanes & Turns practice test
Practice lane markings, turns, passing and merging: 43 questions based on the Colorado Driver Handbook, 15 of them on Colorado's own rules.
Key Colorado facts: Lanes & Turns
A solid yellow line on your side, or double solid yellow lines, may be crossed to pass a bicyclist with at least three feet of space when the oncoming lane is clear. Pavement Markings, Yellow lines, printed p. 9 (PDF p. 12); Bicyclists, printed p. 22 (PDF p. 25) Green paint marks a lane or area for bicyclists and makes them more visible. Pavement Markings, Green Paint, printed p. 9 (PDF p. 12) Conflict zones are broken lines in a bike or bus lane marking where drivers and bicyclists cross paths; drivers turning right should keep close to the curb and use the conflict zone if there is one. Pavement Markings, Conflict Zones, printed p. 9 (PDF p. 12); Bicyclists, printed p. 23 (PDF p. 26) Normally keep to the right half of the road within one lane; where no lanes are marked, stay just right of the middle and off the shoulder. Lane Controls; Unmarked lane, printed pp. 9-10 (PDF pp. 12-13) Drivers may not drive, idle or park in a bike lane or otherwise block it; a bike lane continues through an intersection whether or not paint connects it. Drivers may cross it when turning or entering or leaving a road, driveway or alley. Lane Controls, Bike lanes, printed p. 10 (PDF p. 13); Bicyclists, printed pp. 22-23 (PDF pp. 25-26) Sample Lanes & Turns questions
You are on a freeway on-ramp next to a solid white line. When may you merge?
After the solid white line ends Whenever you see a gap After stopping at the line As soon as you reach 45 mph Show the answer
After the solid white line ends
Do not merge until the solid white line has ended, and avoid stopping in the acceleration lane.
Source: Colorado Driver Handbook (DR 2337), Freeway Driving, Entering the freeway, printed p. 14 (PDF p. 17)
After you finish a lane change, when should your turn signal be off?
Within 30 seconds At the next intersection When the driver behind flashes Within 3 seconds Show the answer
Within 3 seconds
Cancel the signal within 3 seconds so others are not misled.
Source: Colorado Driver Handbook (DR 2337), Changing Lanes, printed p. 15 (PDF p. 18)
On a road with no lane markings, where should you drive?
As far left as possible In the center of the road Just to the right of the center On the shoulder Show the answer
Just to the right of the center
Drive just right of center and keep off the shoulder.
Source: Colorado Driver Handbook (DR 2337), Lane Controls; Unmarked lane, printed pp. 9-10 (PDF pp. 12-13)
A bike lane's paint stops at an intersection. Does the bike lane continue through it?
Yes, it extends through the intersection Only if a sign says so Only during daylight No, it ends where the paint ends Show the answer
Yes, it extends through the intersection
A bike lane continues through an intersection whether or not paint connects it.
Source: Colorado Driver Handbook (DR 2337), Lane Controls, Bike lanes, printed p. 10 (PDF p. 13); Bicyclists, printed pp. 22-23 (PDF pp. 25-26)
An intersection has several turn lanes. What helps you keep the right path through it?
Yellow paint on the curb White lines painted in the intersection The car in the next turn lane The edge of the road shoulder Show the answer
White lines painted in the intersection
Use the white lines in the intersection and finish in the center of the correct lane.
Source: Colorado Driver Handbook (DR 2337), Turning, Turning in a correct path, printed pp. 12-13 (PDF pp. 15-16)
You may not start a pass unless you can return to your side before coming within how many feet of an oncoming vehicle?
100 feet 200 feet 20 feet 50 feet Show the answer
200 feet
If you cannot get back before coming within 200 feet of an oncoming vehicle or bicyclist, do not pass.
Source: Colorado Driver Handbook (DR 2337), Passing, printed p. 15 (PDF p. 18)
Where may you pass another vehicle on the right in Colorado?
On any two-lane road where the shoulder is wide On a gravel shoulder, if you keep your speed low Anywhere the car ahead is going below the limit On one-way streets or roads with two or more lanes each way Show the answer
On one-way streets or roads with two or more lanes each way
Passing on the right is limited to these roads, and never off the pavement or on the shoulder.
Source: Colorado Driver Handbook (DR 2337), Passing, printed p. 15 (PDF p. 18)
A street has a shared center turn lane. Where must you make a left turn from?
From the lane next to the curb From the right lane From any lane you are in From the center turn lane Show the answer
From the center turn lane
Where a shared center lane exists, you may not turn left from any other lane.
Source: Colorado Driver Handbook (DR 2337), Lane Controls, Two-way left-turn lane, printed p. 10 (PDF p. 13)
On a Colorado freeway, how far ahead should you signal before changing lanes?
At least 50 feet At least 100 feet At least 200 feet At least 25 feet Show the answer
At least 200 feet
Signal at least 200 feet before changing lanes on a freeway, and avoid frequent lane changes.
Source: Colorado Driver Handbook (DR 2337), Freeway Driving, printed p. 14 (PDF p. 17)
What markings often separate reversible lanes?
Green paint A row of white triangles A single solid white line Double broken yellow lines Show the answer
Double broken yellow lines
Reversible lanes are separated by a barrier or double broken yellow lines, and may have signs or special lights.
Source: Colorado Driver Handbook (DR 2337), Lane Controls, Reversible lanes, printed p. 10 (PDF p. 13)
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About these questions
We wrote these practice questions from the facts in the Colorado Driver Handbook (DR 2337, January 2025 (file DR_2337_Jan2025.pdf, footer DR 2337 (12/05/24), PDF created 2024-12-04, 36 pages), linked from https://dmv.colorado.gov/drivereducation. dmv.colorado.gov refuses automated requests (Cloudflare 403), so the owner supplied the file; read 2026-11-09. Citations give the printed page and the PDF page (PDF page = printed page + 3). PDF pages 23 (printed p. 20) and 33 also carry hidden, off-page text left over from an older edition (sections 13.3-13.5 and 15.5-16, e.g. school bus fines of up to $300 and six points); it is not visible on the page and no fact is taken from it. Where the handbook is silent, DMV pages (dmv.colorado.gov, read 2026-11-09 through a fetch tool), the Code of Colorado Regulations (1 CCR 204-30, Rule 8) and signed acts on leg.colorado.gov are the source. Statute checks used the 2024 compilation of C.R.S. title 42 (as republished by colorado.public.law, not an official host, so it is not cited) together with the 2024-2026 bills that changed it. edition) and from official sources on road signs. Every answer links to its source, so you can check it and read more.
DMV Decoded is an independent guide, not a government agency. This practice test is not connected to the Colorado Department of Revenue, Division of Motor Vehicles, and your actual test will have different questions. Study the handbook, and check the agency's website for current rules.
