In the direction of departures, the day of Saturday is classified red at the national level and black – meaning «extremely difficult» traffic – in the Auvergne-Rhône-Alpes region.

The peak of slowdowns is expected on the A7 motorway: the Lyon-Orange axis will be heavily congested between 10 a.m. and 7 p.m.

«In Île-de-France, traffic will be very dense towards the toll gates of the A6 and A10 motorways from the very beginning of the morning», predicts Bison smart, who strongly recommends avoiding the Saint-Arnoult- en-Yvelines between 7:00 a.m. and 12:00 p.m. and the Orléans-Tours axis between 12:00 p.m. and 3:00 p.m.

The A13 motorway may also experience traffic difficulties from mid-morning. These could last until mid-afternoon.

Friday, a day already classified as red in Ile-de-France and Auvergne-Rhône-Alpes, a peak of 785 km of traffic jams was recorded at 5:25 p.m.

The situation will be calmer on the entire road network on Sunday but difficulties will persist on the A7 in the Rhône valley in the North-South direction, according to Bison Futé.

In total, the Ministry of Ecological Transition and Territorial Cohesion expects 12 red days and one black day over the summer period.

For the return from the Ascension Bridge, at the end of May, a day classified as black at the national level, a peak of 934 km of traffic jams had been reached.