This ECR is composed with tanks, bound from St Nazaire Donges for Poitiers. The speed limit from La Roche sur Yon to La Rochelle is 60 km/h on 120 km long, for all classes, including intercities, due to the bad quality of the infrastructure. Fortunately, a full renewal is planned in the next years, so as to allow the atlantic seaside line Nantes La Rochelle Bordeaux a good level of service, in spite of the raising new southwest Tgv line.
