Know Before You Ride

E-bikes with operable pedals are permitted on sidewalks and bike/pedestrian paths and trails at speeds up to 20 mph.
Non-pedal electric bicycles and electric motorcycles are NOT allowed on sidewalks, bike/pedestrian paths or trails. (Exception: e-balance bikes for children 6 years of age or younger are allowed.)
NOT allowed on sidewalks, bike/pedestrian paths or trails. Must be properly registered, insured, equipped, and ridden by a licensed driver. If not, private property only.
NOT allowed on sidewalks, bike/pedestrian paths or trails. Revving, racing, and stunting are prohibited. Must be properly licensed and registered when operated on roads.
Keep it safe and keep it quiet: Revving, racing, and stunting are prohibited citywide. Dangerous maneuvers that put yourself, your passenger, or anyone else at risk are a violation.
These are private property only in Thornton. That means NO roads, NO sidewalks, NO trails, NO parks, NO parking lots, and NO city property of any kind.

Follow all traffic signs and signals — e-bike, scooter, motorcycle, all of it
Yield to pedestrians, always
Only carry as many passengers as the vehicle is designed for
No riding wheeled vehicles of any kind in prohibited areas (playgrounds, game courts, sports courts, pavilions, park lawns, fields, etc.)
No stunting, racing, or operating in a way that's dangerous to yourself or others
Careless, reckless, or unlawful operation of any wheeled device is subject to citation and fines up to $2,650

If the activity is happening now: Call the Thornton Police Non-Emergency line at 720-977-5150 to report concerns.

For ongoing or recurring issues: Use the "Report a Traffic Concern" form to request general enforcement attention (not monitored 24/7).

Detailed reports help law enforcement identify patterns and support targeted enforcement efforts. Helpful information to include: