This map [2] from Transportation in America documents US transit agencies cuts during the last two years. Bonus points: the report at the bottom of the page: Stranded at the Station: The Impact of the Financial Crisis in Public Transportation documents the devastation of transit cuts and fare increases on America’s communities.
Links:
[1] http://www.library.northwestern.edu/libraries-collections/evanston-campus/transportation-library
[2] http://t4america.org/resources/transitfundingcrisis/