Pontchartrain Expressway
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| Route information | |
| Maintained by Louisiana DOTD | |
| Length: | 6.5 mi (10.5 km) |
| Existed: | 1946 (planned); 1955 (construction begun); 1957 (first section opened); 1962 (last section opened) – present |
| Major junctions | |
| West end: |
 I-10 near the Orleans-Jefferson Parish line |
 I-10 / US 90 in New Orleans |
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| East end: |
 US 90 Bus. at the Crescent City Connection
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| Highway system | |
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The Pontchartrain Expressway is a parallel 6-lane section of Interstate 10 (I-10) and U.S. Route 90 Business (US 90 Bus.) in New Orleans, Louisiana, U.S.A. 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, for which the expressway overtook in some areas. The Pontchartrain name is derived from Lake Pontchartrain, which New Orleans' northern border traverses.
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Wikipedia