Standard and Narrow Gauge Tunnel Runby

 Model Series=   Standard Gauge and Narrow Gauge Tunnel Runby    The Standard and Narrow Gauge Tunnel Runby is a location on Stepney's Branch Line. The North Western and Skarloey Railways run alongside each other here, going through a tunnel.
 * Location: Sodor
 * Railway: North Western Railway (Stepney's Branch Line)

It only appeared in the fifth season episodes, A Better View for Gordon, Thomas and the Rumours and Snow.