State Highway 63 (SH 63) is a 56.4 mi (90.8 km) long state highway in northeastern Colorado. SH 63's southern terminus is at U.S. Route 36 (US 36) in Anton, and the northern terminus is at US 6 in Atwood.

Quick Facts State Highway 63, Route information ...

State Highway 63
Map of northeastern Colorado with SH 63 highlighted in red
Route information
Maintained by CDOT
Length	56.4 mi[1] (90.8 km)
Major junctions
South end	US 36 at Anton
Major intersections	US 34 at Akron I-76 south of Atwood
North end	US 6 at Atwood
Location
Country	United States
State	Colorado
Counties	Washington, Logan
Highway system
Colorado State Highway System Interstate US State Scenic
← SH 62 → SH 64

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SH 63 begins in the south at a junction with U.S. Highway 36 at Anton and proceeds north through remote, sparsely populated land for roughly 29 miles (47 km) before reaching a junction with U.S. Highway 34 at Akron. From there, the route continues north for a further 24 miles (39 km) to cross Interstate 76 at that highway's exit 115 and after roughly four more miles arrives at its northern terminus at U.S. Highway 6 in Atwood.

SH 63 was defined in the 1920s by the Colorado Department of Transportation, when it connected State Highway 96 in Haswell to Atwood at U.S. Highway 6. A gap appeared near Haswell in 1946. The section was later deleted by 1954, leaving its current routing from Anton to Atwood. This section was paved by 1961.^[2]