The completed underground (basically underneath the eastern Avenue) tunnel between Leytonstone and Newbury Park was used by the Plessey Company as an underground factory for aircraft components during the whole of the war.
well they say you learn a new thibg everyday and this was mine today. i will always look at gants hill roundabout a new way now. and hi to everyone chelmsford is my old haunt and kids still live there in baddow.