Here are some links to more information about the real Freedom Riders.

http://www.crmvet.org/

http://www.pbs.org/wgbh/americanexperience/films/freedomriders/

http://thegrio.com/2011/05/04/slideshow-remembering-the-freedom-riders/

http://www.smithsonianmag.com/history/the-freedom-riders-then-and-now-45351758/