Rooftop Racetrack, Lingotto Automobile Factory, Via Nizza, Turin, Italy

The only similar rooftop test track was in Nessonvaux, Trooz, Belgium. From 1928 to 1958, Imperia had a track over 1 km long which was built partially on top of the factory.
Lingotto public transport
Torino Lingotto railway station is served by a number of regional train lines, as well as the Turin Metro (Lingotto M1). It is a central hub, located close to Turin's hospitals (such as CTO Hospital (Turin)), parks (Castello Valentino) and the Lingotto shopping district.