Unstable slope means more blasting on Interstate 81 in Montgomery County Timothy Martin July 30, 2013 1 minute read An unstable slope is expected to cause delays starting tomorrow On Interstate 81 in Montgomery County. WFIR’s Timothy Martin reports. Share: Post navigation Previous: Will drop in gas prices continue?Next: New partnership benefits Explore Park Related Stories One dead, multiple injured in Moneta church tent collapse Ian Price June 12, 2026 Eureka Park Recreation Center cuts the ribbon on renovated/expanded facility Gene Marrano June 12, 2026 Austrian life sciences firm to invest $85 million in Roanoke headquarters, create 435 jobs Ian Price June 12, 2026