The Thornton Police Department is proud to present our 2025 annual report, highlighting organizational changes and significant accomplishments from the last year.

The City of Thornton’s new emergency alert system is here! ThorntonReady Emergency Alerts make it easy to stay informed about community emergencies, severe weather, law enforcement activity, and other urgent situations.

Signing up is quick, free, and only takes a minute. Choose how you want to receive alerts—text, phone call or email—so you get the information you need, when you need it.

Our primary responsibility is to serve and protect our community by responding to emergencies, preventing crime, and building trust with those we serve. While we may collaborate with federal agencies in situations that impact public safety, our focus remains on keeping our city safe for everyone.

The Thornton Police Department has launched its new automated traffic safety program to change driver behavior, curb reckless speeding, and make Thornton streets safer for all. Red-light cameras have been installed in all directions at the following intersections:   

- East 88th Avenue and Washington Street 

- East 120th Avenue and Colorado Boulevard 

Two mobile speed vehicles are also being utilized at various high-risk locations in the city.

The Blue Envelope Program is a community-focused initiative designed to promote calm and informed communication during traffic stops, emergency responses, and other interactions with first responders. Participants use a clearly marked blue envelope to store essential documents—such as a driver’s license and registration—alongside guidance for both the individual and first responders.