Special routes of U.S. Route 90
U.S. Highway 90 Alternate is an alternate route of U.S. Highway 90 in Jacksonville, Florida, United States. It runs from the split of Beach Boulevard and Atlantic Boulevard east along Atlantic Boulevard (State Road 10; US 90 and SR 212 use Beach Boulevard) to Southside Boulevard (State Road 115), where it turns south to end at Beach Boulevard (US 90/SR 212).
U.S. Route 90 in Louisiana
U.S. Route 90 enters Louisiana at the Texas line over the Sabine River as part of Interstate 10 (I-10). Separating at exit 4 and running parallel on the north side of I-10 through Sulphur, before rejoining I-10 east of Westlake, crossing the Calcasieu River, and again splitting from I-10 at exit 31b (running on the south side of I- 10) going through Lake Charles as Fruge, West 4th, then East 4th, before leaving town. In Iowa U.S. 90 intersects with the southern terminus of U.S. Route 165 continuing east through Lacassine, Welsh, Roanoke, Jennings, and Mermentau. East of Mermentau U.S. 90 runs north of and parallel to a section of the Old Spanish Trail through Midland, Estherwood, and Crowley. In Crowley U.S. 90 makes a north then east jog, bringing it close and parallel to I-10, passing through Rayne, Duson, Scott, and then into Lafayette.