Smart one. Saturday, the day is classified red, according to Bison smart. Lots of congestion on all major roads is to be expected. The A7, A9, A10, A11, A61, A71 and A75 motorways are announced as “particularly impacted”, according to Bison smart, who recommends in particular that motorists leave Île-de-France before 7 a.m. and avoid the A7 between Lyon and Orange from 5 a.m. to 6 p.m.