I-59 is a north-south route that runs from Slidell, LA to northwest Georgia. In Louisiana, it runs for a little over 11 miles through St. Tammany Parish before entering Mississippi.

Click on the links below to navigate:

I-59 Northbound
I-59 North from the I-10/I-12 interchange to the Louisiana/Mississippi border.

I-59 Southbound
I-59 South from the Mississippi/Louisiana border to the I-10/I-12 interchange.