Colorado State Highway 121

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State Highway 121 marker

State Highway 121
Route information
Maintained by CDOT
Length: 30.425 mi[1] (48.964 km)
Major junctions
South end: Waterton Road near Littleton
  US 6 in Lakewood
US 40 / I‑70 Bus. in Lakewood
I‑70 / I‑76 in Arvada
US 36 in Broomfield
North end: US 287 in Broomfield
Highway system
Colorado State Highways
SH 120 SH 125

State Highway 121 is a 30.425 mile (48.96 km) long state highway in the U.S. state of Colorado.

Route description[edit]

The route, also known as Wadsworth Boulevard, Wadsworth Bypass, and Wadsworth Parkway, starts at a junction with Waterton Road in unincorporated Jefferson County (near Littleton) and ends at the junction of U.S. Route 36, U.S. Route 287, and State Highway 128 in Broomfield. State Highway 121 passes through portions of southwest Denver County.

History[edit]

The name Wadsworth comes from Benjamin Franklin Wadsworth, one of the founders and first postmaster of Arvada. In northwest Arvada, Wadsworth Boulevard passes over Hackberry Hill at the site where a landmark hackberry tree, for which the hill was named, stood before it was cut down to make room for the highway in 1937. [2]

Major intersections[edit]

County Location Mile km Destinations Notes
Jefferson   0.00 0.00 Waterton Road Southern terminus
  4.41 7.10 SH 470 Interchange
Lakewood 7.49 12.05 US 285 (Hampden Avenue) Interchange
9.06 14.58 SH 8 west (Morrison Road) Eastern terminus of SH 8
12.44 20.02 US 6 (Sixth Avenue) Interchange
13.59 21.87 US 40 / I‑70 Bus. (Colfax Avenue)
Arvada 16.79 27.02 I‑70 / I‑76 east – Denver, Fort Morgan, Grand Junction Exit 269A on I-70; exit 1A on I-76
City and County of Broomfield 25.82 41.55 SH 128 west (Interlocken Loop)
26.02 41.88 US 36 – Denver, Boulder Interchange
26.42 42.52 US 287 Interchange; northern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

References[edit]

  1. ^ "Segment list for SH 121". Retrieved 2007-05-12. 
  2. ^ "Jefferson County, Colorado Place Names Directory". Retrieved 2012-03-23.