Hal, we did look at waiting lines, delays and system growth following a similar press release last year. Here's the link to our story:
http://www.southwhidbeyrecord.com/news/ferry-ridership-growth-slowed-by-capacity-problems-in-clinton/ 
I'm interested to know whether the Olympic-class ferries could speed up — transit times — as well, and if so, how much would it cost.