The Ironton Tunnel carried OH Route 75 under Cronacher’s Hill between Ironton and Coryville, Ohio.
Torrent Tunnel is located along the former Kentucky Union Railway that once extended between Lexington and Jackson, Kentucky.
The Mill Creek Tunnel is an abandoned tunnel along the Louisville & Nashville Railroad’s “Short Line” in Carroll County, Kentucky.
Tunnel No. 6 is located along the mostly abandoned Baltimore & Ohio Railroad Wheeling-Pittsburgh Subdivision west of Washington, Pennsylvania.
Grimms Bridge Tunnel is an abandoned tunnel along the Youngstown & Southern Railroad Smith’s Ferry Branch in eastern Ohio.
The Williamstown Colliery Tunnel is an abandoned circa 1874 railroad tunnel under Big Lick Mountain in Pennsylvania. The tunnel connected the Summit Branch Railroad to 19 underground coal veins and the vast Bear Valley coal fields.
The Natural Bridge Tunnel is along the abandoned Kentucky Union Railway (KU) which extended for 95 miles from Lexington to Jackson, Kentucky.
Sand Patch Tunnel is an abandoned 4,777-foot railroad tunnel that was constructed by the Pittsburgh & Connelsville Railroad in Pennsylvania.
The Glady Tunnel is an abandoned 1,000-foot tunnel built for the Coal & Iron Railway under Shavers Mountain in Glady, West Virginia.
The original Big Bend Tunnel was opened in 1872 to carry the Chesapeake & Ohio Railway underneath Big Bend Mountain in Talcott, West Virginia.