Knowledge Base

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 unincorporated Jefferson County. Please contact CDOT directly with any questions or concerns. For CDOT maintained roads within Jefferson County, you may call 303-759-2368. The following is a list of roadways maintained by CDOT: US Hwy 6 SH 8 SH 26 US 36 US Hwy 40/Colfax SH 58 SH 67 SH 72 SH 74 SH 75 (Platte Canyon) SH 93 SH 95 (Sheridan) SH 121 (Wadsworth) SH 128 US Hwy 285 I 70 I 76 C 470
Updated 1/25/2022 10:38 AM
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