NS/Southern #4 or Temple or Marengo Tunnel

(Bridge Hunter; Satellite)

West Portal

William Wheelock posted
A westbound exits tunnel #4, (Temple tunnel) on the Louisville to St. Louis line. This tunnel is located between English and Milltown, Indiana. March 1988.
Benjamin Schlechter: Southern style! [I believe he means long hood forward.]

East Portal

Dec 2008 Photo by Nathan Borton via BridgeHunter