In Jefferson County, speed limits are:
Speed limits should not be set higher or lower than these limits unless a traffic study has been performed to justify the change. The study includes an analysis of roadway conditions, accident records, traffic speed counts. A safe and reasonable limit is established at or below the speed at which 85% of drivers travel.
See Section 3.3 of the Transportation Design and Construction Manual.
Report neighborhood speeding problems to the Jefferson Sheriff’s Office at 303-980-7300.
Business Hours
Monday through Thursday
8 a.m. to 5 p.m.
Available by appointment.
For in-person visits, arrange with appropriate staff to meet Tuesdays between 8 a.m. and 3 p.m.
100 Jefferson County Parkway
Golden, CO 80419
Phone: 303-271-6511