no idea - when I pointed this out I was told "it is police instruction so not silly at all". Then said ask a steward on the night so prepare for confusion...
I have emailed SS today regarding post match and the whole "clockwise" situation - have been told that this WILL be enforced, so if you are in the NS or ES and need the Bridge or station, they will make you walk the whole way around the ground to get there. I pointed out that seems all rather...