"After Superstorm Sandy, Amtrak's consultant said that the tunnels would have up to 20 years — and very possibly less," Tom Wright, president of the Regional Plan Association, said in an email. "That was almost five years ago. I would say that experts think the tunnels will need to be shut in ten to fifteen years. It could be more, but it could also be less. "
Read the full article in WNYC.