Unstable slope means more blasting on Interstate 81 in Montgomery County Timothy Martin July 30, 2013 1 min read An unstable slope is expected to cause delays starting tomorrow On Interstate 81 in Montgomery County. WFIR’s Timothy Martin reports. Share: Continue Reading Previous: Will drop in gas prices continue?Next: New partnership benefits Explore Park Related Stories 1 min read FloydFest25 Aurora July 23-27. Ticket prices go up July 1st Denise Membreno June 30, 2025 1 min read Roanoke City murder suspect in custody following manhunt Web Staff June 30, 2025 1 min read Miss America, Miss Virginia, and Miss Virginia’s Teen talk service, sisterhood, and pageant week in Roanoke Ian Price June 27, 2025