Millbrook Test Track

Millbrook Proving Ground is a vehicle testing facility located near the village of Millbrook in Bedfordshire, approximately ten miles south of Bedford. Opened in 1970, it was originally developed by General Motors and is now operated by Millbrook Proving Ground Ltd as an independent automotive testing and development centre. The site covers approximately 700 acres and contains a variety of test tracks including high-speed circuits, hill routes, and special surface areas. It is used by vehicle manufacturers, suppliers, and other clients for testing and development work and is not open to the public.