so outgoing and lovig.s is such a tragic tng that happened to someone who is so specl. >> sdents signed a big sheet of paper to btney's family inclung her mother and 11-year-old siste >> like, everyone loved her. everyone knew her. she wou always dance, always. she was always giving me great advice. >> wow. a powerful and sad story. join uing us a khristine dun, an informatio officer for the transpoation authority. now, the story that we just watched, christine, but cal trin running the peninsula on commur rail and you have a big area to cover. yeah, that'sright, cheryl. we go fro san francisco to san jose. it's about 50 miles. we go through number of highway pop pew ulated areas, r through downtown and 50ailroad crossings. mething people need to be very aware of the train. we ote 92 trains a dayand it's something people need tbe aware of and careful with on th railroad tracks. >> the temptation to walk on th tracks, they are quieter these days, and with the ear buds, you will not here >> we have operate a