Pontchartrain Expressway

The Pontchartrain Expressway is a parallel 6-lane section of Interstate 10 and U.S. Route 90 in New Orleans, Louisiana. The designation begins on I-10 near the Orleans Parish/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 Business U.S. Route 90 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.

Read more about Pontchartrain Expressway:  History, Hurricane Katrina, Interstates 49 and 910