KTVU KTVU 6 OClock News October 23, 2013
Only about three seconds before it zips by. The bart tracks where the accident happen run parallel to 680, and the noise from freeway traffic is constant in the background making it even more difficult to hear anything. The ntsb says bart procedures call for one person to act as a lookout whenever work is being done on the tracks. And a plan is also discussed on how and where to move into the clear of any oncoming trains or other equipment operating on either track in either direction at any time. And the ntsb investigation will also try to answer the question of whether those exact procedures...
Source: archive.org