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 Blacksburg distillery owner throws support behind a bill making its way through the General Assembly Clark Palmer February 4, 2026 0 Natural Shocks at MMT, staged readings this weekend at the Bear Theatre, new art at the Taubman and Eleanor D. Wilson museums Gene Marrano February 4, 2026 0 VBR says first-time holiday marketing campaign was a winner Gene Marrano February 4, 2026 0