Ratio between the instantaneous number of vehicles in regular parking , and the number of vehicles parked in paid spaces (excluding vehicles exempt from parking fees ) or in blue zones (disc zone).
Paris 221 rue La Fayette 75010 Paris T.: +33 (0)1 42 46 22 66
Lyon 2 place Louis Pradel 69001 Lyon T.: +33 (0)4 12 39 39 13
Rennes 13 Rue Claude Chappe, 35510 Cesson-Sévigné, France. Tel: +33 (0)2 57 67 06 97
