Ballarat, Linton Junction Signal Box, or Ballarat D, broad gauge V/Line A class locomotive A 62 Clyde Engineering EMD model AAT22C-2R serial 84-1183 rebuilt from B 62 Clyde Engineering EMD model ML2 serial ML2-3 races through Linton Junction with an up passenger train, and surrenders the electric staff on 'the auto' disc signal 21, interlocked gates for the Gillies Street grade crossing and triple doll semaphore signal post 20.