Colorado State Highway 46

State Highway 46
	Map of Gilpin County in north central Colorado with SH 46 highlighted in red
Route information
	Maintained by CDOT
Length	6.610 mi[1] (10.638 km)
Major junctions
West end	SH 119
East end	CR 70
Location
Counties	Gilpin
Highway system

State Highway 46 (SH 46) is a state highway in Colorado that connects Golden Gate Canyon State Park to State Highway 119 near Black Hawk.

SH 46 in Golden Gate Canyon State Park

Route description

Intersection of SH 46 and SH 119

SH 46 runs 6.6 miles (10.6 km), starting at a junction with SH 119 northwest of Black Hawk. It runs east through Golden Gate Canyon State Park. At the Jefferson County line the state highway ends and the road continues east as Golden Gate Canyon Road (County Road 70) over Golden Gate Pass to SH 93 in northern Golden.

History

SH 46 was formerly part of State Highway 58. As designated in 1912-1914, Primary Road No. 58 connected Central City and Golden, leaving Central City on Gregory Street (former SH 279) and following present SH 119 alongside North Clear Creek. It turned northeast on Smith Hill Road and then, as originally defined, along present Golden Gate Canyon Road (including about ¹⁄₂ mile (0.80 km) of modern SH 46) past Guy Hill.[2] Some early maps, however, show the state highway following Crawford Gulch Road significantly north of Guy Hill.[3] By May 1923, the west end had been shifted north to SH 119 north of Central City and Black Hawk,[4] and at about the same time the Golden Gate Canyon Road alignment was permanently adopted.[5] (SH 58 was also extended east from Golden to Denver along what had been Primary Road No. 1, and the number remains to this day on a parallel freeway replacement.) As part of a 1953 reorganization that eliminated a large number of state highways, SH 58 was cut back to its modern Denver-to-Golden extent.[4] Former SH 58 west of Golden Gate Canyon State Park was reacquired in 1972-1973 as a new State Highway 46 and paved in 1974. In 1985-1986 SH 46 was extended east to the county line along already-paved county road, and at the same time Jefferson County completed the paving of its section of Golden Gate Canyon Road.[3]

Major intersections

County[6]	mi[6]	km	Destinations	Notes
Gilpin	0.000	0.000	SH 119 – Black Hawk, Central City, Rollinsville	Western terminus
Jefferson	6.610	10.638	CR 70 (Golden Gate Canyon Road)	Continuation beyond eastern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

References

"Segment list for SH 46". Retrieved 2011-01-20.
Third Biennial Report of the State Highway Commission of the State of Colorado, 1914, p. 54
Colorado Department of Transportation, official highway maps: August 1916, April 1922, 1952, 1954, 1972, 1973, 1974, 1985, 1986
1923 list of state highways, reproduced in Highways to the Sky, Appendix C, p. 39
Colorado Highways, July 1923, map of state highways
"Highway Data Explorer, Online Transportation Information System". Colorado Department of Transportation. Archived from the original on September 10, 2012. Retrieved October 2, 2016.

External links

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[dot-1] "Segment list for SH 46". Retrieved 2011-01-20.

[2] Third Biennial Report of the State Highway Commission of the State of Colorado, 1914, p. 54

[maps-3] Colorado Department of Transportation, official highway maps: August 1916, April 1922, 1952, 1954, 1972, 1973, 1974, 1985, 1986

[list-1923-4] 1923 list of state highways, reproduced in Highways to the Sky, Appendix C, p. 39

[5] Colorado Highways, July 1923, map of state highways

[CDOT_OTIS-6] "Highway Data Explorer, Online Transportation Information System". Colorado Department of Transportation. Archived from the original on September 10, 2012. Retrieved October 2, 2016.