Route 4 buses will see extended hours in Ypsilanti Township under a proposed plan for increased service in the AAATA's "urban core" municipalities. Tom Perkins | For AnnArbor.com Ypsilanti Township is considering joining a proposed “urban core” of municipalities in the Ann Arbor Area Transportation Authority. Membership would bring vastly expanded bus service to Ypsilanti Township, including extended hours of service and increased frequency for some existing routes. Continue reading Ypsilanti Township to consider significant expansion of bus service...