It would also be useful to know the times of day when the most passes.
As others have said, there is freight to be seen throughout the day,
but the busiest two periods are:
a) 12:30 to 15:00
b) 18:30 to 22:00
Not only are those two periods good for sheer quantity, but they also
see feature several different
types of train (intermodal, sand, stone,
concrete blocks, binliner, steel, etc, whereas at other times of day, you are
only likely to see coal workings and the odd intermodal...
MARK