LA Metro Finishes 5 Years of Tunneling for D Line Subway Extension Project http://dlvr.it/T59Q4P #BreakingNews #DLine #DLineSubwayExtensionProject
LA Metro Finishes 5 Years of Tunneling for D Line Subway Extension Project - Railway Track and Structures

LA Metro has finished five years of tunneling. The Tunnel Boring Machines (TBMs) added nine additional miles to the D Line.

Railway Track and Structures