Railroad (formerly Murphy Branch, Western North Carolina Railroad), just northwest of Dillsboro in Jackson County Jarrett's Tunnel, McDowell County, I-40 tunnels, 1 westbound, 2 eastbound, near mile marker 6, opened 1968. Blue Ridge Parkway tunnels from the 1930s, numbering 25 North Dakota Cartwright Tunnel, located in McKenzie County, is the first and only railroad tunnel in North Dakota. It was built in 1913 but a train never traveled through it. Ohio Lytle Tunnel, tri freeway tunnels, I-71 under Lytle Park, downtown Cincinnati, ; the tri tunnels are side by side, from west to east: a two-lane I-71 southbound tunnel a one lane southbound tunnel for the I-71 exit ramp to Downtown/Riverfront/Third Street a three-lane I-71 northbound tunnel Oklahoma Jenson Tunnel, located in LeFlore County (just southwest of Bonanza, Arkansas), is the first and only railroad tunnel in Oklahoma. It was built through Backbone Mountain during the mid 1880s in Indian Territory by the Fort Smith & Southern Railway. It is still in operation today, primarily used by the Kansas City Southern Railway. Oregon Many unnamed, numbered railroad tunnels exist within Oregon. Pennsylvania Puerto Rico Minillas Tunnel, twin tunnels, Puerto Rico Highway 22, Santurce, San Juan Tren Urbano, automated subway section between Universidad and Río Piedras. Túnel Vicente Morales Lebrón, Puerto Rico Highway 53, Emajagua, Maunabo Rhode Island East Side Railroad Tunnel, abandoned and sealed rail tunnel, , between Gano Street and Benefit Street under College Hill, in Providence East Side Trolley Tunnel, transit bus tunnel (converted from trolley use), 1914, , between North Mail Street and Thayer Street under College Hill, in Providence South Carolina Stumphouse Mountain Tunnel, never completed rail tunnel, Blue Ridge and Atlantic Railroad, northwest of Walhalla Tennessee Cowan Tunnel/Cumberland Mountain Tunnel, rail tunnel, 1853, CSX Railroad (originally Nashville and Chattanooga Railroad), , east of Cowan Cumberland Gap Tunnel, twin tunnels, US 25E, under Cumberland Gap National Historical Park, between Harrogate, Tennessee and Middlesboro, Kentucky U.S. Highway 441 Tunnel Northbound, between Gatlinburg and Pigeon Forge and 2 more tunnels in Great Smoky Mountains National Park on Highway 441 between Gatlinburg and Cherokee Bachmann Tubes, which carry Ringgold Road through Missionary Ridge from Chattanooga into the neighboring town of East Ridge. Missionary Ridge Tunnels (also unofficially known as McCallie Tunnels), which carry McCallie and Bailey Avenues through Missionary Ridge where the route continues as Brainerd Road. Wilcox Tunnel, which carries Wilcox Boulevard through Missionary Ridge and connects to