If it's on the Dock Road and heading back into town, when they'll be at their busiest, they would need to turn up onto Great Howard Street and cross the road.
That would either need to be up Paisley Street (near Costco), Cotton Street or Walter Street, because opposite the ground would be far too congested/closed off.
It would therefore be much easier to have them on Great Howard Street, travelling straight towards town and across or left onto Leeds Street.