Colorado State Highway 128

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State Highway 128

Map of north central Colorado with SH 128 highlighted in red
Route information
Maintained by CDOT
Length10.0 mi[1][a] (16.1 km)
Major junctions
West end SH 93 south of Boulder
Major intersections SH 121 in Broomfield
US 287 in Broomfield
East end I-25 in Westminster
Location
CountryUnited States
StateColorado
CountiesBoulder, Broomfield, Adams
Highway system
  • Colorado State Highway System
SH 127 SH 131
Going west on SH 128

State Highway 128 (SH 128) is a 10-mile-long (16.1 km)[a] 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.

Route description

The route begins in the west at a junction with SH 93 roughly thirteen miles south of Boulder. From there, the road proceeds eastward into the northern portions of the Denver metropolitan area. The road passes through portions of the cities of Superior, Broomfield, Northglenn, and Westminster and crosses SH 121 before being split by a 3.8 mi (6.1 km) section of concurrency with U.S. Route 287 (US 287) and again resuming its course towards its eastern terminus at exit 223 of I-25 in the city limits of Westminster.


History

The route was established in the early 1920s, when it began at Federal Boulevard and ended at SH 185 (now deleted). A section from US 85 to US 6 was added by 1939 and deleted by 1949. The west terminus was extended from US 36 to Indiana Street in 1965 and to its current terminus at SH 93 two years later.[2]

Major intersections

CountyLocationmikmDestinationsNotes
Boulder0.0000.000 SH 93 – Arvada, BoulderWestern terminus
JeffersonNo major intersections
City and County of Broomfield7.97312.831

SH 121 (Wadsworth Parkway) to US 36 / US 287
8.97014.436
US 287 north
Western end of US 287 overlap
12.16819.582
US 287 south (Federal Boulevard)
Eastern end of US 287 overlap
AdamsThornton14.11322.713 I-25 (US 87)Eastern terminus; exit 223 on I-25; road continues as 120th Avenue
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Notes

  1. ^ a b The 3.8-mile-long (6.1 km) section of concurrency with US 287 is not maintained with state funds and therefore not considered to be part of SH 128 by the Colorado Department of Transportation.[1]

References

  1. ^ a b "Segment Descriptions for Highway 128". Colorado Department of Transportation. Retrieved 2008-04-07.[permanent dead link]
  2. ^ Salek, Matthew E. "Colorado Routes 120-139". Retrieved 2010-05-30.

External links