Northwestern study leads experts to search for ways to prevent fatalities on area tracks<http://www.chicagotribune.com/classified/automotive/traffic/ct-met-getting-around-0919-20110919,0,6271585.column [2]>
Links:
[1] http://www.library.northwestern.edu/libraries-collections/evanston-campus/transportation-library
[2] http://www.chicagotribune.com/classified/automotive/traffic/ct-met-getting-around-0919-20110919,0,6271585.column
[3] http://www.library.northwestern.edu/related-pages/railroad-tracks