Crews building the Western & Atlantic Railroad from Atlanta to Chattanooga, Tenn., faced a number of natural obstacles. None, however, were as foreboding as Chetoogeta Mountain. What workers built was a 1,477-foot-long engineering phenomenon that has stood the test of time. Work on the tunnel started on July 15, 1848, and the first train rolled through the tunnel on May 9, 1850. The railroad actually started rail service between Atlanta and Chattanooga in the 1840s. The tunnel remained in service until 1928 when a new tunnel opened a few feet away to accommodate larger trains. For years, the older tunnel sat unused, and eventually fell into disrepair.
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