AN NBC BAY AREA DIGITAL ORIGINAL INVESTIGATION 'DERAILED' CHAPTER 1: All Aboard Most people in the San Francisco Bay Area seem to have a #BART story: good, bad, weird. BART is a lifeline for commuters with 723 trains, 122 miles of track, 48 stations, and more than 420,000 rides each day. Those trips, however, can sometimes be dangerous. Violent crime on BART has more than doubled in recent years. In Chapter 1 of our DERAILED series, an analysis by the NBC Bay Area Investigative Unit reveals BART has a higher rate of violent crime than transportation systems in New York City, Los Angeles, D.C., and Atlanta. The Investigative Unit spent months recording on BART to understand how a once renowned transportation system got off track and transformed into one of the most dangerous in the nation. Senior Investigative Reporter Bigad Shaban reports in Chapter 1 of DERAILED. #WeInvestigate Stay connected: Follow us on Twitter: http://www.twitter.com/nbcbayarea Like us on Facebook: http://www.facebook.com/nbcbayarea Follow us on Instagram: http://www.instagram.com/nbcbayarea Add us on Snapchat @NBCBayArea Catch up on all the day's news: http://www.nbcbayarea.com/ Download our app: On iOS: http://nbcbay.com/R1BhqYM On Android: http://nbcbay.com/rUcA97h