wfir-linkThe old toll road to the summit of Mill Mountain that runs by the Rockledge mansion was recently listed as an “endangered site” by the Preservation Foundation of Roanoke Valley. Nancy Dye, a retired surgeon, is also chair of the Mill Mountain Advisory Board. She’ll give a noon-time “Lunch box lecture” open to all today on the need to preserve the old toll road. WFIR’s Gene Marrano has more: