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This is layout used from 1955 to 1967; I'm sure about it because of track lenght on original map.
No problem about the traditional circuit, but what about the blue road?
I know that is the road D92 from Arnage to I-don't-remember-the-name, but why was drawn on that little card? No more roads, tribunes, pits, corners name, ... were drawn, only main circuit and this road... Why?
Was there a proposal for using it from racing or testing purpose?
Ciao,
Guido