Funds supporting the development of high-speed rail are being used to upgrade track, some of it over 100 years old, to connect Chicago and Detroit. Bottlenecks in the northwest Indiana region, however, are a significant hurdle to the development of the link.
Links:
[1] http://www.library.northwestern.edu/libraries-collections/evanston-campus/transportation-library
[2] http://www.michiganradio.org/post/removing-barrier-high-speed-rail-detroit-chicago
[3] http://www.library.northwestern.edu/related-pages/high-speed-rail