But , Arena said in a statement , implementing PTC by the 2015 deadline will difficult because much of the technology is still under development , untested and unproven on commuter railroads the size of Metro-North and LIRR . the transportation safety board kicks rail union out of investigation for violating confidentiality rules . A lawyer for the engineer describes what happened as `` highway hypnosis '' `` I think most people are leaning towards human error , '' union representative says . The crash on New York Hudson Line line killed 67 and injured four people .
the transportation safety board kicks rail union out of investigation for violating confidentiality rules . A lawyer for the engineer describes what happened as `` highway hypnosis '' `` I think most people are leaning towards human error , '' union representative says . The crash on New York Hudson Line line killed 67 and injured four people .