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).
Following the cessation of hostilities, extensive work was needed to restore the circuit. Throughout the war, both the RAF and Luftwaffe had employed the airfield near the pits, along with the 5 km Hunaudières straight as a temporary airstrip (which also made it a target for Allied bombing).