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Louisiana Highway 21
State highway in Louisiana, United States / From Wikipedia, the free encyclopedia
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Louisiana Highway 21 (LA 21) is a state highway in Louisiana that serves St. Tammany and Washington Parishes. It spans 51.76 miles (83.30 km) and is signed north and south.
Quick Facts Route information, Length ...
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Route information | ||||
Maintained by Louisiana DOTD | ||||
Length | 52.1 mi[1] (83.8 km) | |||
Existed | 1955 renumbering–present | |||
Major junctions | ||||
South end | ![]() ![]() | |||
Major intersections | ||||
North end | ![]() | |||
Location | ||||
Country | United States | |||
State | Louisiana | |||
Highway system | ||||
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