US 50 highlighted in red | ||||
Route information | ||||
Maintained by MoDOT | ||||
Length | 263.58 mi[1] (424.19 km) | |||
Existed | 1926–present | |||
Major junctions | ||||
West end | ![]() ![]() | |||
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East end | ![]() ![]() | |||
Location | ||||
Country | United States | |||
State | Missouri | |||
Counties | Jackson, Johnson, Pettis, Morgan, Moniteau, Cole, Osage, Gasconade, Franklin, St. Louis | |||
Highway system | ||||
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U.S. Route 50 (US 50) is a major east–west route in the state of Missouri. It is also known as the Rex M. Whitton Expressway in the capital of Missouri, Jefferson City.