From Lafayette, the highway heads east-northeast toward Baton Rouge via the Atchafalaya Swamp Freeway, an 18.2-mile (nearly 30 km) bridge across the Atchafalaya River and its accompanying swamp.
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A subdistrict of the Uptown/Carrollton Area, its boundaries as defined by the City Planning Commission are: Interstate 10 to the northeast, South Carrollton Avenue to the southeast, Palmetto Street to the southwest and Cherry, Dixon, Mistletoe, Peach, Hamilton, Quince and Last Streets to the northwest.
LA 3152 has since been extended south over South Clearview Parkway to U.S. 90/LA 48 (Jefferson Highway) at the Huey P. Long Bridge and north to I-10 over most of its former route.