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 | |||
Location | ||||
Country | United States | |||
State | Nevada | |||
Highway system | ||||
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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.