NEW : Metro-North train had safety systems designed to stop it in an emergency . Comment: A lawyer for the engineer describes what happened as `` highway hypnosis '' `` I think most people are leaning towards human error , '' union representative says .
NEW : Metro-North train had safety systems designed to stop it in an emergency . A retired Army colonel is one of the passengers who 've filed a notice . A lawyer for the engineer describes what happened as `` highway hypnosis '' `` I think most people are leaning towards human error , '' union representative says .