73101 The Royal Alex & 73131 pass Swanley on 14 March 1998 with the Pathfinder Tours 1Z65 05:57 Crewe to Ashford International 'Kent Venturer' railtour. Options for tour participants included a trip to France via the Channel Tunnel, or a ride on the Romney, Hythe & Dymchurch Railway. Directly above 73101, at the top of the cutting, is a coal dues obelisk, otherwise known as a coat tax post. This indicated the point beyond which all ingoing coal trains once had to pay a tax of to the City of London.