Following the end of the war the circuit needed extensive repairs. During the war the RAF, then the Luftwaffe, had used the airfield by the pits, as well as the 5 km Hunaudières straight as a temporary airstrip (thereby also making it a target for Allied bombing).
After the conflict, significant repairs were required for the circuit. During the war, both the RAF and Luftwaffe used the airfield close to the pits, as well as the 5 km Hunaudières straight as a temporary runway (making it an objective for Allied bombing).