Colorado Midland Railway (16 Tunnels)
Sand Patch Tunnel (Sand Patch, PA)
Estelle Mining Co. Railroad (7 Tunnels in GA)
Colorado Springs & Cripple Creek (9 Tunnels)
EBT Wrays Hill Tunnel (Coles, PA)
EBT Sideling Hill Tunnel (Fairview, PA)
South Penn Railroad Tunnels (PA Turnpike)
B&O Parkersburg Branch (13 Tunnels in WV)
North Shore Railroad Tunnels (Freedom, PA)
New Hamburg Tunnel (New Hamburg, NY)
Penobscot Mountain Tunnel (Nuangola, PA)
Nehalem Divide Tunnel (Scappoose, OR)
Ocean Shore Railroad (5 Creek Tunnels in CA)
Crozet's Blue Ridge Tunnel (Afton, VA)
Pennsylvania Coal Co.Tunnel (Mt. Cobb, PA)
Buck Mountain Coal Co Tunnel (Rockport PA)
Virginia & Truckee Tunnel #3 (Gold Hill, NV)
High View Tunnel (High View, NY)
Fallsburg Tunnel (South Fallsburg, NY)
Northfield Tunnel (Merrickville, NY)
Cazenovia Tunnel (Cazenovia, NY)
Pigeon Mountain Tunnel (LaFayette, GA)
Haskell Pass Tunnel (Kalispell, MT)
Conococheague Mountain Tunnel (PA)
Bow Tunnel - 1864 & 1907 (Tunnelton, PA)
Wheeling Bridge & Terminal (3 Tunnels - WV)
Hempfield Railroad Tunnels (6 in WV & PA)
Allegheny Valley Railroad Tunnels (3 in PA)
Allegheny Valley Low Grade Tunnels (3 in PA)
Franklin & Clearfield RR Tunnels (3 in PA)
Montour Railroad Tunnels (3 - Pittsburgh, PA)
Knobley Tunnel (Carpendale, WV)
Hoover Dam Railroad Tunnels (Boulder City, NV)
Grimms Bridge Tunnel (Grimms Bridge, OH)
Manunka Chunk Tunnel (Manunka Chunk, NJ)
Oxford Tunnel aka Van Nest Gap (Oxford, NJ)
Roseville Tunnel (Byram Township, NJ)
Lofty Tunnel (Lofty, PA)
Turn Hole Tunnel (Jim Thorpe, PA)
Phipps Tunnel (Holliston, MA)
Shepaug Tunnel (Washington, CT)
Lewisburg & Tyrone RR Tunnels (2 in PA)
Carr's Tunnel (Donohoe, PA)
P&W Zeno Tunnel (Evans City, PA)
Lake Shore Railroad Tunnel (Oil City, PA)
Bakerstown Tunnel (Bakerstown, PA)
Point Rock Tunnel (Columbia, PA)
Dunderberg Spiral Railway (Jones Point, NY)
