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 ... in concrete bench walls that are eroding ...

The A102 Blackwall Tunnel is currently closed in both directions due to technical problems, causing stationary traffic between Poplar and Greenwich. Send pictures and information to poppy.huggett@ ...

The A102 Blackwall Tunnel is currently closed in both directions due to technical problems, causing stationary traffic between Poplar and Greenwich. Send pictures and information to poppy.huggett@ ...

ALPENA — On Wednesday, Enbridge Inc. announced that its tunnel ... inch pipe wall thickness, corrosion prevention, reduced pipeline pressure, automatic isolation valves, and 200 steel supports.

Instead, about 40% was coated in plastic so it didn’t collapse. The cables were attached to a rack on the tunnel wall rather than being encased in concrete as they were before. The original plan ...