With regards to bunkers on the ring road, I think there is some misunderstanding as there were actually two.
The large one Chalfont Drive off Western Blvd and a smaller one behind the Five Ways pub on Valley Road, I think this is the one Firbeck is refering to.
This was the Civil Defence underground shelter and the area around was the rescue training area. Those of you that can remember that place in the 60s will recall all those half demolished house's behind the pub only they weren't. They were purpose built that way for training exercise's.
The underground bunker was fairly extensive as
