1. Université de Lyon, ENTPE-INRETS, Laboratoire d'Ingénierie Circulation Transports LICIT, Rue Maurice Audin, 69 518 Vaulx en Velin, France.
2. French Ministry of Ecology, Energy, Sustainable Development, and Town and Country Planning, ZELT, CETE du Sud-Ouest, 12, av Edouard Belin, 31400 Toulouse, France.