Colorado
GHSA maintains data on state laws surrounding a number of highway safety issues. Below is information regarding laws in the state of Colorado. For more information, consult the State Highway Safety Office.
Helmets required for all riders and passengers under 18. Universal helmet law repealed 1977.
10 years
80 and older: electronic renewal requires passage of vision exam within the prior 6 months
Permissible inference law >0 for THC
Decriminalized and legal for recreational and medical use
Permissible inference for THC (5 ng)
75
75
65
65
65
65
0.15
3 months
Yes
Mandatory for high BAC (0.15 and above) and repeat convictions, highly incentivized for first convictions
Yes
No
8-15 yrs
Under 1 yr and under 20 lbs in rear-facing seat in rear seat
1-3 yrs and 20-40 lbs in rear or forward-facing child safety seat
4-8 yrs in forward-facing child safety seat or booster
17 years
15 with driver's ed 15 / 6 with driver awareness program 16 without driver's ed. or program
12
50 (10)
16
Midnight - 5 a.m. (secondary enforcement)
First 6 months: no passengers Second 6 months: no more than one passenger (secondary enforcement)
Secondary
16 and over (primary law for under 18)
Front
No
No
Drivers under 18. Primary law.
All drivers. Primary law.
Statewide
Permitted by state law and city ordinance
School zones, residential neighborhoods, construction zones (only when construction is occurring), and streets that border a municipal park; police officer or government employee must be present at time of violation
Permitted by state law
Colorado "Drive High, Get a DUI" Drugged Driving Campaign
In 2014 Colorado became the first state to legalize recreational marijuana. That same year Colorado launched its Drive High, Get a DUI campaign to inform the public that the state’s DUI law includes impairment by marijuana.
Motorcycle Helmet Laws: Colorado
Motorcycle Helmet Required?
Helmets required for all riders and passengers under 18. Universal helmet law repealed 1977.
Mature Driver Laws: Colorado
Length of Regular Renewal Cycle
10 years
Drug-Impaired Driving Laws: Colorado
DUID Zero Tolerance or Per se Laws for Some Drugs
Permissible inference law >0 for THC.
Speed Limit Laws: Colorado
Rural Interstates: Cars (MPH)
75
Alcohol Impaired Driving Laws: Colorado
Ignition Interlocks
Mandatory for high BAC (0.15 and above) and repeat convictions, highly incentivized for first convictions
Child Passenger Safety Laws: Colorado
Child Restraint Required
Under 1 yr and under 20 lbs in rear-facing seat in rear seat
1-3 yrs and 20-40 lbs in rear or forward-facing child safety seat
4-8 yrs in forward-facing child safety seat or booster
Teen and Novice Drivers: Colorado
Full Privilege Minimum Age
17 years
Seat Belt Laws: Colorado
Type of Law
Secondary