I would have thought that the tucking in of a

Class 66 in the middle of two sets of fright wagons may well have been a one-off event as seen here. However, I later read in Rail magazine that this is becoming more common practice in what is probably a cost-saving exercise to return two empty stone trains back to Morehead quarry in one. 66415 'You Are Never Alone' is seen sandwiched in the middle of what would be the 6C77 12.24 Wembley Yard to Merehead with 66528 leading up at the front.