"The current project is to provide commuter rail service in the Detroit-Ann Arbor corridor with stops in Ann Arbor, Ypsilanti, Detroit Metropolitan Airport, Dearborn, and Detroit. The project takes advantage of existing infrastructure where possible and requires adding new station stops in Ypsilanti and at Detroit Metro Airport."
The page with explanation and other links, including the video download: http://www.semcog.org/AADD.aspx
Just the Video Link: (need Quicktime to view)
If video doesn't begin automatically, start Quicktime first and reload page or with IE, go to Tools, Manage Add-Ons and Enable Quicktime...be patient.