At its peak, it was estimated there was approximately 17 miles of standard gauge railway within the Dockyard. Today there is just under 1 mile of track remaining.
The remaining section, which is laid tramway style, starts from a point just outside the Historic Dockyard, adjacent to No.7 Slip, and then runs through the middle of the Historic Dockyard to the far end of Anchor Wharf. This section of line is used for the running of freight trains, steam crane demonstrations and other ancillary operations.
Today only 3 original standard gauge locomotives remain in the Historic Dockyard.
In addition to the 3 ex Dockyard locomotives, there are 3 steam and 2 diesel locomotives from other locations. These being;