NEW : Metro-North train had safety systems designed to stop it in an emergency . Comment: CNN 's Felicia Schwartz , Kristina Sgueglia , Allison Malloy , Mike Ahlers and Ross Levitt contributed to this report . 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 . Comment: A lawyer for the engineer describes what happened as `` highway hypnosis '' `` I think most people are leaning towards human error , '' union representative says .