October 10, 2008 6:24 pm NTSB Recreates Metrolink Crash for Visibility Test Investigators conduct a visibility test to determine when the engineers of two trains were able to see each other in the moments before crashing. US & World Videos 1:05 Hit-and-run driver kills 80-year-old woman in University Park 3:07 UCLA working to restore campus after clearing out encampment 2:21 Scuba boat captain sentenced to 4 years in fiery deaths of 34 7:42 See aftermath of UCLA protest encampment in front of Royce Hall 1:28 LAPD dismantles protester encampments at UCLA