Route information | ||||
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Maintained by CDOT | ||||
Length | 10.0 mi[1][a] (16.1 km) | |||
Major junctions | ||||
West end | SH 93 south of Boulder | |||
SH 121 in Broomfield US 287 in Broomfield | ||||
East end | I-25 / US 87 in Westminster | |||
Location | ||||
Country | United States | |||
State | Colorado | |||
Counties | Boulder, Broomfield, Adams | |||
Highway system | ||||
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State Highway 128 (SH 128) is a 10 mi (16.1 km)[a] long state highway in the Denver, Colorado metro area. SH 128's western terminus is at SH 93 south of Boulder, and the eastern terminus is at Interstate 25 (I-25) in Westminster.