LosAngeles subway construction

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  • Member since
    December 2007
  • From: Georgia USA SW of Atlanta
  • 11,109 posts
LosAngeles subway construction
Posted by blue streak 1 on Saturday, March 6, 2021 9:19 AM

Another break thru for TBM on purple line extension..  Had to bore thru many dangers including methane gas.  Note unit was pressurized to keep various item out of tunnel.

L.A. Metro’s Elsie makes another break through for Purple Line Extension Project - Railway Track and Structures (


  • Member since
    January 2019
  • 1,255 posts
Posted by Erik_Mag on Monday, March 8, 2021 10:41 PM


Completing the Purple should be a boon to UCLA students, though will be a few years too late for my daughter.

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