To dispatchers in Lower Manhattan, that is the most obvious sign that all is still not well with PATH, a vital link for New Jersey commuters that still isn't back to full operation nearly three months after superstorm Sandy.

WSJ: PATH's Road Back Is Rocky

Last month, the EEAS said it was bringing into use the 15 vehicles to help cut delays, but has now revealed that only three of them are in full-time operation.

BBC: England