It's one of the largest ferry systems in the world. Per https://en.wikipedia.org/wiki/Washington_State_Ferries https://en.wikipedia.org/wiki/Washington_State_F

It's one of the largest ferry systems in the world. Per https://en.wikipedia.org/wiki/Washington_State_Ferries https://en.wikipedia.org/wiki/Washington_State_Ferries > The agency maintains the largest fleet of ferries in the United States at 22 vessels, carrying 23 million passengers in 2014. As of 2014 , it was the largest ferry operator in the United States, and the fourth-largest ferry system in the world.