A comparison with ....
https://www.ontheupfast.com/p/21936chg/25410359604/x55017-15-00-london-kings-cross-aberdeen reveals a very similar scene apart from the inevitable lineside growth blighting the embankments of our modern railway! 66593 huls the 06.14 Felsixtowe North to Leeds FLT Freightliner service near Westby now down to walking pace. It was to be held at a red signal preventing it from rejoining the down fast whilst various express services passed.