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Pontchartrain Expressway | |
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Route information | |
Length | 7.0 mi (11.3 km) |
Existed | 1946 (planned); 1955 (construction begun); 1957 (first section opened); 1962 (last section opened)–present |
Component highways | ![]() ![]() ![]() ![]() |
Major junctions | |
South end | ![]() ![]() ![]() |
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North end | ![]() ![]() |
Location | |
Country | United States |
State | Louisiana |
Highway system | |
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The Pontchartrain Expressway is a parallel six-lane section of Interstate 10 (I-10) and U.S. Route 90 Business (US 90 Bus.) in New Orleans, Louisiana, USA, with a brief stand-alone section in between junctions with these highways. The designation begins on I-10 near the Orleans–Jefferson parish line at the I-610 Split. The expressway follows I-10 into the Central Business District (CBD) of New Orleans (by the Superdome) and then follows US 90 Bus. to the Crescent City Connection. The expressway takes its name from Pontchartrain Boulevard, which the expressway replaced in some areas. The Pontchartrain name is derived from Lake Pontchartrain, which New Orleans' northern border traverses.