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State Route 207
State Route 207
Kingsbury Grade
	Nevada State Route 207, highlighted in red
Route information
	Maintained by NDOT
Length	11.082 mi (17.835 km)
Existed	1976–present
Major junctions
West end	US 50 at Stateline-Kingsbury line
East end	SR 206 west of Gardnerville
Location
Country	United States
State	Nevada
Counties	Douglas
Highway system
	Nevada State Highway System; Interstate; US; State; ; Pre‑1976; Scenic;

State Route 207 (SR 207) is an 11.082-mile (17.835 km) state highway in western Douglas County, Nevada, United States. Commonly known as the Kingsbury Grade, it is one of three Nevada highways that connect the western edge of the state to the Lake Tahoe region through the Carson Range. The route was part of State Route 19 prior to 1976.

Route description

SR 207 begins at a junction with U.S. Route 50 in Stateline, less than 1 mile (1.6 km) from the California state line near the southern shores of Lake Tahoe. From there, the route heads eastward on an uphill climb through the Kingsbury area to travel through Daggett Pass (elevation 7,344 feet [2,238 m]).^[2]

After exiting the pass, SR 207 continues its trek eastward through Toiyabe National Forest lands. It goes through several switchbacks, eventually turning southward as it descends the mountains. The road goes down an escarpment to the Carson Valley floor. SR 207 comes to an end at its junction with Foothill Road (SR 206), at the site of Mottsville west of Gardnerville.^[1]^[3]

History

A road connecting Lake Tahoe to the Carson Valley, situated in the approximate location of today's SR 207, appears on Nevada state maps as early as 1919.^[4] By 1929, this unimproved road was included in the state highway system as the northwestern end of the former SR 19, a longer route stretching from Lake Tahoe through Minden and south to the California state line near Holbrook.^[5] This section of the former SR 19 was 13 miles (21 km) long,^[6] about 9 miles (14 km) of which comprised the Kingsbury Grade portion of highway.^[7] SR 19 through the mountains remained unimproved for many years; the route was not paved until 1967.^[8] By 1968, the eastern end of the Kingsbury Grade was moved southwards to line up with what is now Mottsville Lane, mirroring the approximately 11 miles (18 km) alignment of the present highway.^[9]

Following the realignment, the Kingsbury Grade section of SR 19 was not altered until the 1976 renumbering of Nevada's state highway system on July 1, 1976. In that process, this portion of SR 19 was assigned to the new SR 207.^[10] This change was first seen on state highway maps in 1978.^[11] Also included in the new SR 207 was the 3-mile (4.8 km) section of Mottsville Lane which connects Kingsbury Grade to SR 88, making SR 207 about 14 miles (23 km) long; however, this section appears to have been removed from the route by 1983.^[12] The route has been largely unchanged since.

Major intersections

The entire route is in Douglas County.

Location	mi^[1]	km	Destinations	Notes
Stateline–Kingsbury line	0.000	0.000	US 50 – Carson City, South Lake Tahoe	Western terminus
Mottsville	11.082	17.835	SR 206 (Foothill Road) – Genoa	Eastern terminus
Mottsville	11.082	17.835	Mottsville Lane – Minden, Gardnerville	Continuation beyond SR 206
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

References

^ ^a ^b ^c Nevada Department of Transportation (Jan 2017). "State Maintained Highways of Nevada: Descriptions and Maps". Retrieved 6 May 2017.
^ Kingsbury and Zephyr Cove Area (PDF) (Map). Nevada Department of Transportation. 2007. Retrieved 30 May 2011.
^ Quadrangle 7-12 (PDF) (Map). Nevada Department of Transportation. 1997. Retrieved 30 May 2011.
^ Road Map of the State of Nevada (Map). Nevada Department of Highways. 1919. Retrieved 3 Jun 2011.
^ Highway Map – State of Nevada (Map). Nevada Department of Highways. 1929. Retrieved 3 Jun 2011.
^ Official Road Map of the State of Nevada (Map). Nevada Department of Highways. 1936. Retrieved 3 Jun 2011.
^ Official Road Map of the State of Nevada (Map). Nevada Department of Highways. 1941. Retrieved 3 Jun 2011.
^ 1967 Official Highway Map of Nevada (Map). Nevada Department of Highways. 1967. § E1. Retrieved 3 Jun 2011.
^ 1968 Official Highway Map of Nevada (Map). Nevada Department of Highways. 1968. Lake Tahoe Region inset. Retrieved 3 Jun 2011.
^ Nevada's State Maintained Highways: Descriptions, Index and Maps. Nevada Department of Transportation. 2001. p. 101.
^ Official Highway Map of Nevada (Map) (1978-1979 ed.). Nevada Department of Highways. 1978. Lake Tahoe Region inset. Archived from the original on 22 January 2015. Retrieved 3 Jun 2011.
^ Official Highway Map of Nevada (Map) (1983-1984 ed.). Nevada Department of Transportation. 1983. Lake Tahoe Region inset. Retrieved 3 Jun 2011.