At this point, Highway 751 passes under the Norfolk-Southern line that comes out of Marion. The concrete on this underpass is beginning to show its age. Interestingly, there’s a wye at Glade Spring, just west of here. We’re at 36.79238, -81.74222, with the main highway behind yr. hmbl. photographer. The date “1917” is stamped into the concrete above the right underpass.
Blogging the Railroad Tunnels 
As a boy this tunnel was in nearly pristine condition, with no graffiti. A number of wrecks have occurred here over the years, including a three day extraction of a thoroughly wedged cattle trailer.