Practice limits and how to adjust your speed, with questions based on the Colorado Driver Handbook.
30 mph
The default limit in any residence district is 30 mph.
Source: Colorado Driver Handbook (DR 2337), Speed, Limits, printed p. 12 (PDF p. 15)
Shift to a lower gear
Lower gears help control your speed on steep downhill stretches.
Source: Colorado Driver Handbook (DR 2337), Mountain Driving, printed p. 17 (PDF p. 20)
A toll plaza
Slow zones include shopping centers, schools, parks, residential streets, narrow bridges, toll plazas and rail crossings.
Source: Colorado Driver Handbook (DR 2337), Safe Driving Tips, Slow Zones, printed p. 19 (PDF p. 22)
From seeing the need to stop until the car stops
It covers the time to recognize the need, to react and for the brakes to stop the car.
Source: Colorado Driver Handbook (DR 2337), Speed, Stopping distance, printed p. 12 (PDF p. 15)
About 200 feet
A lightweight passenger car at 55 mph can stop in about 200 feet in ideal conditions.
Source: Colorado Driver Handbook (DR 2337), Speed, Stopping distance, printed p. 12 (PDF p. 15)
20 mph
Narrow, winding mountain roads and blind curves have a 20 mph limit unless posted otherwise.
Source: Colorado Driver Handbook (DR 2337), Speed, Limits, printed p. 12 (PDF p. 15)
Slow down until you can see the road again
Slow to an appropriate speed until you crest the hill and can see the roadway.
Source: Colorado Driver Handbook (DR 2337), Hills and Curves, printed p. 16 (PDF p. 19)
25 mph
The default limit in any business district is 25 mph.
Source: Colorado Driver Handbook (DR 2337), Speed, Limits, printed p. 12 (PDF p. 15)
40 mph
Open mountain highways have a 40 mph limit unless another limit is posted.
Source: Colorado Driver Handbook (DR 2337), Speed, Limits, printed p. 12 (PDF p. 15)
After reaching the middle of the curve
Slow down before the curve and start to accelerate only after the middle of it.
Source: Colorado Driver Handbook (DR 2337), Hills and Curves, printed p. 16 (PDF p. 19)
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.