long, respectively. The opening of the tunnel closed a gap that previously existed in I-95 through Maryland. The Fort McHenry Tunnel was opened on time and under its budget, and it continues to be a vital transportation link in the Mid-Atlantic region. Soon after the Fort McHenry Tunnel opened, the nearby Baltimore Harbor Tunnel, which had opened to traffic in 1957, was extensively rehabilitated. See also Francis Scott Key Bridge (Baltimore) References External links Fort McHenry Tunnel—history and technical info by Roads to the Future Crossings of the Patapsco River Transportation buildings and structures in Baltimore Toll tunnels in Maryland Tolled sections of Interstate Highways Interstate 95 Tunnels completed in 1985 Articles containing video clips Road tunnels in Maryland Immersed tube tunnels in the United States