Major changes could soon reshape traffic flow in Ouachita Parish as officials update the region’s transportation plan.

Vincent Thomas Bridge’s westbound lanes will be closed from 7 p.m. Friday, March 28, to 7 p.m. Sunday, March 30 for structural inspections of the main cable bands along the bridge’s suspension cables.

From road closures and top runners to race day events and where to watch, here are 10 essential things to know before race ...