The Flakk–Rørvik Ferry is an automobile ferry on Norwegian National Highway 715 that connects the peninsula of Fosen with Trondheim. The 7.2 kilometres (4.5 mi) crossing of Trondheimfjord is performed with the two double-ended ferries MF Fosen and MF Trondheim and operated by Fosen Trafikklag, making 32 crossings each day each at 25 minutes. In 2007 the line had a daily ridership of 1815 people and 2081 vehicles. It is the fourth most trafficked car ferry line in Norway.