LA Metro Finishes 5 Years of Tunneling for D Line Subway Extension Project
LOS ANGELES – LA Metro has finished five years of tunneling. The Tunnel Boring Machines (TBMs) added nine additional miles to the D Line.
LOS ANGELES – LA Metro has finished five years of tunneling. The Tunnel Boring Machines (TBMs) added nine additional miles to the D Line.
L.A. Metro’s Purple Line has been renamed the D Line, and right now the tunnel boring machines are taking on the difficult portion of the line. For Metro, that also stands for