Florida Highway Patrol is investigating a deadly crash.It happened early this morning at the intersection of Woodville Highway and Old Woodville Road, in Leon County.FHP tells ABC 27 that a 21-year-old man driving southbound on the highway crossed onto the wrong side of the road.He crashed into a 22-year-old woman heading northbound.Following the initial crash, an 18-wheeler ran into the wreckage.FHP says there did not appear to be any contributing factors in the roadway leading to the fatal crash, but it's still under investigation.