Iota man dies in single-vehicle crash on Hwy 91 KATC and last updated 2020-12-13 00:02:12-05 A single-vehicle crash Saturday claimed the life of a 49-year-old Iota man, State Police say. Troopers were notified shortly after 4 p.m. on La Hwy 91 near Heith Lane in Acadia Parish. The initial investigation revealed that the crash occurred as Chad Joseph Chesterman was driving a Chevrolet Corvette south on LA 91 when, for unknown reasons, he failed to negotiate a curve and his vehicle ran off the roadway. Upon doing so, the Corvette struck a ditch then several small trees, causing Chesterman to be ejected.