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Colorado
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Alerts
No major alerts at this time.
Construction/Conditions 
877-315-7623 303-639-1111
Federal Highway Admin
720-963-3000
Cell Emergency Number
911 *277
Time Zone
Mountain
Speed Limits
Rural Interstates Cars: 75, Trucks: 75
Urban Interstates Cars: 65, Trucks: 65
Other Roads Cars: 65, Trucks: 65
Urban Interstates Cars: 65, Trucks: 65
Other Roads Cars: 65, Trucks: 65
Work Zone Special Limits
All, Double original fine, Workers Do NOT Have to Be Present, Signs Do NOT Have to Be Present
Rest Area Overnight Parking
Not Permitted
State Handheld Device Ban
No
State Texting Ban Laws
Yes
Seat Belt Laws
>18 (primary for <18) in Front Seats, $71
Sobriety Checkpoints
Yes, Once or twice a month, Upheld under state and Federal Constitution
High Blood Alcohol Content
0.17
Open Container Law
Yes
Motorcycle Helmet Laws
under 18; all passengers under 18
Bicycle Helmet Laws
no law
Gun Law Simple Summary
Can carry a legally owned gun in a private vehicle without it being considered concealed
Shoot First/Stand Ground Law
No law - the law is unclear or is prohibited
Radar Detectors
No jammers
Diesel Tax (State and Federal)
0.449
Truck Access Policies
unlimited mi
Triple Towing
Yes
Tow Brake Laws Towing
3,000 lbs - auxiliary braking system is required
See Restricted Routes See Hazmat Routes See Idling Laws
