This story is free to read. Chattanooga’s Wilcox Tunnel now open to traffic chattanoogas-wilcox-tunnel-now-open-traffic chattanoogas-wilcox-tunnel-now-open-traffic By Staff Report January 5, 2012 1 min read Chattanooga’s Wilcox Tunnel is seen in this file photo. The Wilcox Tunnel has reopened to traffic after being closed since Tuesday for maintenance, the Chattanooga traffic engineer’s office said this afternoon.