Original: British Rail initially used the fleet starting in 1976 on the Great Western Main Line , on the East Coast Main Line , on the Cross Country Route and latterly on the Midland Main Line , serving destinations such as London , Bristol , Edinburgh , as far south as Penzance and as far north as Aberdeen and Inverness .
Simplified: British Rail initially used the fleet on the Great Western Main Line , on the East Coast Main Line , on the Cross Country Route and latterly on the Midland Main Line , serving destinations such as London , Bristol , Edinburgh , as far south as Penzance and as far north as Aberdeen and Inverness .