Millbrook Proving Ground, one of the UK’s premier car testing sites, very nearly wasn’t in Millbrook. In the 1960s, Vauxhall’s owner, General Motors, wanted a vehicle testing facility in the UK, inspired by its historic Milford proving ground in America, right down to a similar mix of flat tracks and hills: 600 flat acres, 200 hilly ones. Vauxhall searched long and hard and found only three really suitable locations, two of which were in Wales and one in Scotland. Air-freighting cars to Scotland was thought too much of a faff, so one of the Welsh sites was selected. Until, that is, during detail planning, two farms came up for sale next to each other about five miles south of Bedford, between the villages of Millbrook and Marston Moretaine.
It was…