During a recent inspection of the National Tunnel, Montour Trail engineers found areas of deterioration of the concrete ceiling, enough to affect the tunnel's stability. Therefore, Montour Trail Council has decided that, in the interest of safety, the National Tunnel will temporarily close on Tuesday morning 11 November, for initial stabilization work to its deteriorating ceiling near the western entrance.  The Tunnel, located in Cecil township at MM 25, was constructed by the Montour Railroad in the early twentieth century. […]