Grand Isle's main street is the sea-side start of Louisiana Highway 1, that stretches 436.2 miles away to the north-west corner of the state ending near Shreveport, Louisiana.
Innis High School was a high school located in the village of Innis in Pointe Coupee Parish, Louisiana, United States, at 6450 Louisiana Highway 1.
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From the west, LA 114 begins at an intersection with LA 1 in western Avoyelles Parish.
LA 942 carries what was once a small piece of the Jefferson Highway auto trail, designated in 1916, which became the original Louisiana Highway 1 in 1921.