Interstate 12 runs roughly east-to-west through the Parish. I-10 connects New Orleans and Slidell; at the outskirts of Slidell I-59 heads north into Mississippi. Just west of the Parish, I-55 connects to I-12 near Hammond. The Lake Pontchartrain Causeway stretches south from Mandeville to Metairie; north of Mandeville it becomes Highway 190 leading into Covington.
The Most Frequently Asked Travel Questions about St. Tammany Parish
Where To Stay & Best Hotels in St. Tammany Parish - updated May 2024
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St. Tammany Parish Travel Guide from Wikitravel. Many thanks to all Wikitravel contributors. Text is available under Creative Commons Attribution-ShareAlike 3.0, images are available under various licenses, see each image for details.
