CO 121 Travel Info
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State Highway 121 is a 30.425 mile (48.96 km) long state highway in the U.S. state of Colorado.
The route, also known as Wadsworth Boulevard, Wadsworth Bypass, and Wadsworth Parkway, starts at the junction of State Highway 470 and State Highway 75 in unincorporated Jefferson County and ends at the junction of US 36, US 287, and State Highway 128 in Broomfield. ... more
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