[youtube width=”600″ height=”475″]http://www.youtube.com/watch?v=jG2ZKGIXU-U&feature=PlayList&p=7F330AF959C767AD&playnext_from=PL&index=0&playnext=1[/youtube]

The video above was produced by Metro on the 20th anniversary of Metro Rail. And, here’s a link to a page on Metro’s website with a simple timeline of Metro Rail’s development.