Who takes care of state highways and traffic lights?

The Colorado Department of Transportation (CDOT) is responsible for all street surface repairs and maintenance including potholes, snow control, and weed mowing and for signal maintenance/timing on state highways within Broomfield's city limits including Hwy 121, Hwy 128, Hwy 287 (a.k.a. Wadsworth Boulevard), 120th Avenue, and Hwy 7, Please contact CDOT directly with any questions or concerns.



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1. Why do traffic lights take so long to change?
2. Why does a signal change when no vehicles are present?
3. Why aren’t signals put on a flash cycle late at night?
4. When traveling on some streets, red lights are hit on a regular basis? Can't they be coordinated?
5. Why isn't there enough green time at a signal to get the traffic through at some approaches?
6. Who takes care of state highways and traffic lights?