Ninety feet below the East River, Amtrak’s 110 year-old train tunnels are slowly filling with salty water dripping on high-voltage cables as steel is nearly corroded to dust.

After taking a tour and seeing the extent of the deterioration of the underground tubes, the need for the kind of focused ...

SEATTLE (AP) – Experts say they’ve at least partially solved the mystery of what’s been blocking a massive tunnel-boring machine beneath downtown Seattle for the past month: a steel pipe.

He also argued the state never informed STP the pipe in the tunnel path was made of steel. The Department of Transportation maintains the metal pipe did not cause the damage.