Pontchartrain Expressway

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Pontchartrain Expressway
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	US 90 Bus. / Future I-49 / I-10
Major junctions
South end	US 90 Bus. / Future I-49 (Westbank Expressway) at the Crescent City Connection
Major intersections	US 90 Bus. / Future I-49 in New Orleans US 90 in New Orleans I-10 in New Orleans
North end	I-610 / I-10 near the New Orleans–Metarie line
Location
Country	United States
State	Louisiana
Highway system
Louisiana State Highway System Interstate US State Scenic
Interstate Highway System Main Auxiliary Suffixed Business Future
United States Numbered Highway System List Special Divided

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.