Interstate 59 (I-59) is an Interstate Highway located in the southeastern United States. It is a north–south route that spans 445.23 miles (716.53 km) from a junction with I-10 and I-12 at Slidell, Louisiana, to a junction with I-24 near Wildwood, Georgia.
I-59 cosigned with I-20 in Mississippi; other cosigned routes are listed on the shields of the next sign
I-59/I-20 approaching I-65 in downtown Birmingham
Interstate 10 in Louisiana
Interstate 10 (I-10), a major transcontinental Interstate Highway in the Southern United States, runs across the southern part of Louisiana for 274.42 miles (441.64 km) from Texas to Mississippi. It passes through Lake Charles, Lafayette, and Baton Rouge, dips south of Lake Pontchartrain to serve the New Orleans metropolitan area, then crosses Lake Pontchartrain and leaves the state.
I-10 running west of New Orleans, spanning the Bonnet Carre Spillway at Lake Pontchartrain
I-10 eastbound passing over Lake Charles/Calcasieu River near Lake Charles
Until around 1960, I-10 and I-59 would have split near the present I-510 interchange in eastern New Orleans.
Atchafalaya Swamp Freeway in Iberville Parish