Colorado State Highway 128

Last updated

Colorado 128.svg

State Highway 128
Colorado State Highway 128 Map.svg
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 endColorado 93.svg SH 93 south of Boulder
 Colorado 121.svg SH 121 in Broomfield
US 287.svg US 287 in Broomfield
East endI-25.svg I-25 in Westminster
Location
Counties Boulder, Broomfield, Adams
Highway system
Colorado State Highways
Colorado 127.svg SH 127 SH 131 Colorado 131.svg
Going west on SH 128 Colorado State Highway 128.jpg
Going west on SH 128

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.

Contents

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.

As of 2017 there is a brief gap of much less than a mile between the junction of SH 128 and SH 121 and the junction of SH 121 and US 287 that is not even nominally part of SH 128. This gap is due to be closed in 2018 by a mile-long connector that began construction in 2009; [2] there was a five-year hiatus from 2010 to 2015 during negotiations with BNSF. [3] When construction is complete, the total end-to-end length, including the section that is nominally concurrent with US 287, will be 14 mi (22.5 km).

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. [4]

Major intersections

CountyLocationmikmDestinationsNotes
Boulder 0.0000.000Colorado 93.svg SH 93  Arvada, Boulder Western terminus
City and County of Broomfield 7.97312.831Colorado 121.svgUS 36.svgUS 287.svg SH 121 (Wadsworth Parkway) to US 36 / US 287
8.97014.436US 287.svg US 287 northWestern End of U.S. 287 overlap
12.16819.582US 287.svg US 287 south (Federal Boulevard)Eastern end of U.S. 287 overlap
Adams Thornton 14.11322.713I-25.svg I-25 Eastern terminus; exit 223 on I-25
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Notes

^  a: The 3.8 mi (6.1 km) long 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]

Related Research Articles

U.S. Route 287 U.S. Highway in the United States

U.S. Route 287 (US 287) is a north–south United States highway that is 1,791 miles (2,882 km) long, and serves as the major truck route between Fort Worth and Amarillo, Texas, and between Fort Collins, Colorado, and Laramie, Wyoming. The highway is broken into two segments by Yellowstone National Park, where an unnumbered park road serves as a connector.

U.S. Route 36 Highway in the United States

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Colorado State Highway 7 highway in Colorado

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Northwest Parkway highway in Colorado

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State Highway 470 is the southwestern portion of the Denver Metro area's beltway. Originally planned as Interstate 470 in the 1960s, the beltway project was attacked on environmental impact grounds and the interstate beltway was never built. The portion of "Interstate 470" that was built as a state highway is the present-day SH 470, which is a freeway for its entire length. The route has previously been called the Centennial Freeway.

Colorado State Highway 121 highway in Colorado

State Highway 121 (SH 121) is a 30.425 mile (48.96 km) long state highway in the U.S. state of Colorado. SH 121's southern terminus is at Waterton Road near Littleton, and the northern terminus is at U.S. Route 287 (US 287) in Broomfield.

Colorado State Highway 109 highway in Colorado

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Colorado State Highway 17 highway in Colorado

State Highway 17 (SH 17) is an 88.5 mi (142.4 km) long state highway in southern Colorado. SH 17's southern terminus is a continuation as New Mexico State Road 17 (NM 17) at the New Mexico state line, and the northern terminus is at U.S. Route 285 (US 285) south of Villa Grove.

Colorado State Highway 157 highway in Colorado

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Colorado State Highway 114 highway in Colorado

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Colorado State Highway 402 state highway in Colorado, United States

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Colorado State Highway 59 highway in Colorado

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Colorado State Highway 63 highway in Colorado

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Colorado State Highway 392 highway in Colorado

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U.S. Route 36 in Colorado section of U.S. Highway in Colorado, United States

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Colorado State Highway 79 highway in Colorado

State Highway 79 (SH 79) is a 23.8 mi (38.3 km) long state highway in Adams and Weld counties in Colorado. The highway is also called "Kiowa–Bennett Road" and "Converse Road". It traverses through remote, open plain. The highway does not pass through any towns. It does service some subdivisions in the area. SH 79's southern terminus is at Interstate 70 (I-70), U.S. Route 36 (US 36), US 40 and US 287 south of Bennett, and the northern terminus is at SH 79 in Prospect Valley.

Colorado State Highway 52 Highway in Colorado

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Colorado State Highway 119 highway in Colorado

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References

  1. 1 2 "Segment Descriptions for Highway 128". Colorado Department of Transportation. Retrieved 2008-04-07.[ permanent dead link ]
  2. "120th Avenue Connection August 2015 Newsletter". codot.gov. Colorado Department of Transportation. August 2015. Retrieved 8 August 2016.
  3. "Broomfield City Council Manager's Report May 2018". broomfield.org. 2018-05-22. Retrieved 2018-08-17.
  4. Salek, Matthew E. "Colorado Routes 120-139" . Retrieved 2010-05-30.[ self-published source ]
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