How Race Tracks Have Changed Through History! | Episode 2 | Assetto Corsa 

There's an Imola 1972 for AC, so without any chicanes, as well as having the faster, original Rivazza and Castellaccio/Acque Minerali. I guess there is at least a make-shift version of Silverstone 1948, but I'm perfectly good with the "classic" 1950-74 layout myself. I suppose that's kind of like Le Mans, where the "classic" version is the 1932-67 layout.

No wonder drivers complained about safety, these old tracks were too big to hire the amount of Marshalls they would've needed