Just been having a good look at Hull Trains for May 2020 onwards
Looks like they adding some extra services
https://www.realtimetrains.co.uk/train/Y20038/2020-05-28/detailed
This one does not stop at Howden or Selby but calls Sandy ??
doesn't seem to be a corresponding working Northbound
Looks like they adding some extra services
https://www.realtimetrains.co.uk/train/Y20038/2020-05-28/detailed
This one does not stop at Howden or Selby but calls Sandy ??
doesn't seem to be a corresponding working Northbound