Protesters block Michigan Ave. Posted on March 6, 2015 by Chicago 1 Chicago Chicago News & Search 1 News - 1 eMovies - 1 eMusic - 1 eBooks - 1 Search Search for: Protesters from the Trauma Care Coalition blocked traffic on Michigan ave Thursday, to draw attention to their demands for a level one trauma center at the University of Chicago. 1 Chicago Chicago News & Search 1 News - 1 eMovies - 1 eMusic - 1 eBooks - 1 Search Search for: