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Speed Limits
Colorado Permit Test: Speed Limits Practice Questions
Posted and default limits, school zones and the basic speed law.
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Every Colorado topic, mock exams and your progress, right here or in the app.
Question 1
What is Colorado's statutory speed limit in a business district, unless posted otherwise?
20 mph
25 mph
30 mph, the same as residence districts
35 mph
Correct answer: 25 mph
Unless posted: 25 mph in business districts and 30 mph in residence districts.
Source: Speed
Question 2
What is Colorado's statutory speed limit in a residence district?
20 mph
25 mph
30 mph
35 mph, unless children are present
Correct answer: 30 mph
The statutory limit in any residence district is 30 mph unless posted otherwise.
Source: Speed
Question 3
What is the statutory speed limit on narrow, winding mountain highways and blind curves in Colorado?
20 mph
40 mph
15 mph
30 mph, unless the road is dry
Correct answer: 20 mph
Narrow, winding mountain highways and blind curves are 20 mph; open mountain highways are 40 mph.
Source: Speed
Question 4
What is the statutory speed limit on open mountain highways in Colorado?
20 mph, like all mountain roads
45 mph
55 mph
40 mph
Correct answer: 40 mph
Open mountain highways have a 40 mph statutory limit unless posted otherwise.
Source: Speed
Question 5
What is the statutory speed limit on urban interstates and highways in Colorado?
75 mph, the same as rural interstates
65 mph
55 mph
45 mph
Correct answer: 55 mph
Urban interstates and highways are 55 mph; designated rural interstates and highways are 65–75 mph.
Source: Speed
Question 6
Is driving slower than a posted minimum speed a violation in Colorado?
Only at night
Only for trucks and vehicles towing trailers
Yes, unless road or weather conditions require it
No; slower is always safer, so there is never a penalty
Correct answer: Yes, unless road or weather conditions require it
Driving slower than the minimum speed limit is a traffic violation, unless due to road or weather conditions.
Source: Speed
Question 7
What can happen if you fail to follow the speed limit in a Colorado work zone?
Nothing extra
A warning only
Immediate license revocation for one year
Double fines
Correct answer: Double fines
Failure to follow the speed limit in a work/construction zone can result in double fines.
Source: Speed
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Practice questions are written from official driver handbooks. Always check your state DMV for current rules.
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