VDOT starts new study on I-81 between Roanoke and Christiansburg Timothy Martin February 4, 2013 1 minute read VDOT is starting an environmental study for Interstate 81 between exit 118 in Christiansburg and exit 143 in Roanoke. WFIR’s Timothy Martin says it’s another step in the eventual goal of widening the road. Share: Post navigation Previous: Carvins Cove full again; recent rains assure adequate water supply for full yearNext: Perkins: gun-related murders and aggravated assaults rose 20% last year Related Stories New Study Ranks Virginia’s Public Schools 6th in the Nation Emma Thomas July 24, 2026 A local hero of the American Revolution is honored with a new exhibit by the Salem Museum & Historical Society Gene Marrano July 23, 2026 Plays, plays everywhere … and a closing night artist reception and lecture at Hollins Gene Marrano July 22, 2026