Colorado State Highway 121
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|---|---|
| Basic data | |
| Overall length: | 30 mi / 49 km |
| Starting point: |
 CO 470
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| End point: |
 US 36 US 287 CO 128 
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| Counties: |
Jefferson County Broomfield |
| Important city: | Denver |
The Colorado State Highway 121 is a highway in the US state of Colorado , the South-North direction is in.
The highway begins on Colorado State Highway 470 in southwest Denver and ends in Broomfield on US Highways 36 , 287 and Colorado State Highway 128 . The State Highway is also known as Wadsworth Boulevard , Wadsworth Bypass , and Wadsworth Parkway .