History of Wigan   (Help with ancient and recent history.)

The concrete might have been mixed by the Romans, while they were building their top fortress and capital city, Coccium. It might have been intended to give directions to the two lesser places of Dewsbury and London, in case any of the Romans needed to go there for any reason.


Then again, it was probably a casting manufactured by Longley Concrete, who have plants in Dewsbury and in London.