Nevada State Route 400

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State Route 400 marker

State Route 400
Unionville Road
Route information
Maintained by NDOT
Length: 16.582 mi[1] (26.686 km)
Existed: 1976 – present
Major junctions
South end: Kyle Hot Springs Road
North end: I‑80 / US 95 at Mill City
Highway system
  • Highways in Nevada
SR 399 SR 401

State Route 400 (SR 400) is a state highway in central Pershing County, Nevada. It connects the rural town of Unionville to Mill City. The route originally extended further south under its prior designation as State Route 50.

Route description[edit]

State Route 400 in Pershing County

The route starts at the beginning of pavement on Unionville Road, about 3 miles (4.8 km) east of the rural townsite of Unionville in Buena Vista Valley at Kyle Hot Springs Road.[1] From there, SR 400 heads northward over Buena Vista Creek as it heads northward towards Coyote Ranch.[2] The route parallels the Humboldt Range on its trek northward through the desert. The highway crosses over Star Creek and passes through the Dun Glen Flat as it heads into Mill City. State Route 400 comes to an end at the Mill City Interchange on Interstate 80 and U.S. Route 95.[3]

History[edit]

SR 400 was part of the longer State Route 50 before 1976

The route's history begins as far back as 1933, when it appeared on official Nevada maps as a county road, diverging from old U.S. Route 40 beginning in Mill City and heading southerly past the current terminus through the town of Rochester, then westerly to reconnect to US 40.[4] By 1935, the county road had been designated State Route 50 by the state.[5] The route, as it existed in 1936, was an unpaved road approximately 42 miles (68 km) long.[6] By 1941, SR 50 had been rerouted slightly to bypass Rochester to the north, connecting west to Oreana more directly and shaving 3 miles (4.8 km) miles of the route's length.[7] The northern end of the route, composing the current limits of the highway, was paved by 1959.[8]

SR 50 underwent no other major changes for several more years. However, the route would be affected by the 1976 renumbering of Nevada's state highway system that began on July 1, 1976. The paved portion of the route would become the present-day State Route 400,[9] a designation first seen on state highway maps in 1978.[10] The remainder of former State Route 50 was removed from the state highway system, except for a small section of the southwest end near Interstate 80 which is now State Route 858.[1]

Major intersections[edit]

The entire route is in Pershing County. [1]

Location[1] Mile km Destinations Notes
Unionville 0.00 0.00 Kyle Hot Springs Road
Mill City 16.56 26.65 I‑80 / US 95 – Lovelock, Winnemucca
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

References[edit]

  1. ^ a b c d State Maintained Highways of Nevada: Descriptions and Maps. Nevada Department of Transportation. January 2011. Retrieved 17 March 2011. 
  2. ^ Nevada Department of Transportation (1987) (PDF). Quadrangle 4-9 (Map). http://www.nevadadot.com/uploadedFiles/NDOT/Traveler_Info/Maps/quad0409.pdf. Retrieved 17 March 2011.
  3. ^ Nevada Department of Transportation (1987) (PDF). Quadrangle 3-9 (Map). http://www.nevadadot.com/uploadedFiles/NDOT/Traveler_Info/Maps/quad0309.pdf. Retrieved 17 March 2011.
  4. ^ Nevada State Highway Department (1933). Official Road Map of Nevada (Map). http://contentdm.library.unr.edu/u?/hmaps,461. Retrieved 17 March 2011.
  5. ^ Nevada State Highway Department (1935). Official Road Map of Nevada (Map). http://contentdm.library.unr.edu/u?/hmaps,465. Retrieved 17 March 2011.
  6. ^ Nevada Department of Highways (1936). Official Road Map of the State of Nevada (Map). http://contentdm.library.unr.edu/u?/hmaps,467. Retrieved 17 March 2011.
  7. ^ Nevada Department of Highways (1941). Official Road Map of the State of Nevada (Map). http://contentdm.library.unr.edu/u?/hmaps,475. Retrieved 18 March 2011.
  8. ^ Nevada State Highway Department (1959). Official Highway Map of Nevada (Map). Section B3-C3. http://contentdm.library.unr.edu/u?/hmaps,507. Retrieved 18 March 2011.
  9. ^ Nevada State Maintained Highways: Descriptions, Index and Maps. Nevada Department of Transportation. January 2001. p. 113. 
  10. ^ Nevada State Highway Department (1978). Official Highway Map of Nevada (Map). Section B2. http://contentdm.library.unr.edu/u?/hmaps,535. Retrieved 18 March 2011.