 Since 1970, these trains have travelled over the railway network as far as Wick and Penzance and frequently travel over the scenic West Highland Line and Kyle of Lochalsh Line.The trains are crewed by drivers, guards and sometimes firemen from a train operating company, for example West Coast Railways or DB Cargo UK, with SRPS members working as volunteer stewards and catering staff.There are over 250 vehicles at Bo'ness, of which 150 are accessioned to the museum collection and are owned by the Scottish Railway Museum Collections Trust.