Tunnel, twin tunnels, I-77, between Mercer County, West Virginia and Bland County, Virginia (two) Kingwood Tunnels, rail tunnels, Baltimore and Ohio Railroad, just west of Tunnelton abandoned rail tunnel, 1858, , abandoned and sealed 1962 active rail tunnel, twin tracks, 1912 Memorial Tunnel, abandoned and bypassed 2-lane road tunnel, , formerly West Virginia Turnpike/I-77 Tunnel No. 1, Baltimore and Ohio Railroad, Wheeling Wheeling Tunnel, twin tunnels, , I-70, Wheeling Wisconsin Mitchell Interchange (three tunnels) in Milwaukee Interstate 43 (northbound only) with first tunnel under Interstate 41 and second tunnel under Interstate 94 Interstate 41 (northbound only) transition road under Interstate 94 South Howell Avenue (Wisconsin Highway 38) beneath Runway 7R at Milwaukee Mitchell International Airport in Milwaukee Wyoming Green River Tunnel, twin tunnels, (0.22 miles) long, I-80, Green River Mile Marker 89 There is also a tunnel on Rt 14 west of Cody, Wyoming right by the Cody Reservoir dam. It is around 3,600 feet long. References Tunnels