TUNNEL OUT OF DANGER
A critical train artery depends on century-old tubes
NEW YORK CITY IS CONNECTED to New Jersey by two decrepit single-track train tunnels running beneath the Hudson River, each 106 years old and in desperate need of an overhaul. Their concrete is cracking. Both tunnels flooded during Superstorm Sandy, and chlorides from the seawater further damaged walls, tracks and electric cables, resulting in frequent
