Colorado State Highway 21

Colorado State Highway 21

State Highway 21 marker

State Highway 21
Route information
Maintained by CDOT
Length: 20.56 mi[1] (33.09 km)
Major junctions
North end: Colorado 83.svg SH 83 near Black Forest
  US 24.svg US 24 in Colorado Springs
South end: Mesa Ridge Parkway in Security-Widefield
Counties: El Paso
Highway system

Colorado State Highways

SH 17 SH 22

State Highway 21 is an expressway in El Paso County, in eastern Colorado Springs. Highway 21 constitutes the portion in Colorado Springs of a road known as the Powers Boulevard. Powers Blvd/SH 21 is perhaps the third busiest and important road after I-25 and US 24.

The southern terminus of this highway is in the CDP of Security-Widefield. However, most of the route passes through Colorado Springs and then the rest continues through El Paso County to south of Black Forest.


Route description

The route begins in Gleneagle at SH 83. The route continues southbound and enters Colorado Springs, the city skyline can be seen from the interchange with Woodmen Road. The road crosses Sand Creek. At about twelve miles, the route crosses US 24, a major artery in the city, US 24 overlaps SH 21 for about 2 miles then US 24 heads west at Fountain Blvd. It then crosses 3 more roads then exits the city after the Hancock Expressway. It ends at Mesa Ridge Parkway in Security-Widefield. Since SH 16 is only 1.32 miles long, plans have been made to delete SH 16 and make the remnants SH 21 and have it go 23.5 miles.


The route was established on October 1, 2007.[2]When defined, its routing included the entire length of Powers Boulevard.

Junction list

The entire route is in El Paso County.

Location Mile Destinations Notes
Gleneagle 0.000 SH 83 south – Colorado Springs, Denver (Interquest Parkway)
Colorado Springs 5.304 Woodmen Road Interchange
12.264 US 24 east – Falcon, Limon North end of US 24 overlap
14.717 US 24 west (Fountain Boulevard) – Manitou Springs South end of US 24 overlap
Security-Widefield 21.938 SH 16 (Mesa Ridge Parkway) – Fountain
1.000 mi = 1.609 km; 1.000 km = 0.621 mi


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