Seine Commercial craft (barges and push-tows) can use the river from Marcilly-sur-Seine, to its mouth. At Paris, there are 37 bridges. The river is only above sea level from its mouth, making it slow flowing and thus easily navigable. The Seine Maritime, from the English Channel at Le Havre to Rouen, is the only portion of the Seine used by ocean-going craft. The tidal section of the Seine Maritime is followed by a canalized section ("Basse Seine") with four large multiple locks until the mouth of the Oise at Conflans-Sainte-Honorine (170 km). Smaller locks at Bougival and at Suresnes lift the
History of the Port of Southampton port of Radicatel on the River Seine near Rouen with CFL Channel Freight Ferrys Ltd ran from January 2004 but ceased operating just over a year later, this service operated from the former Stena Line terminal at berth 30 using the ro/ro freight ferrys MV CFF "Seine" and MV CFF "Solent". There are currently no cross-channel ferries operating from Southampton; most service in the region runs from Portsmouth, to the east, which has become the nation's second-most-important ferry port (after Dover). The operators' rationale for the move was based on cost-effectiveness. Poole, west, hosts the remaining service. The vacated dock