en.Wedoany.com Reported - The Los Angeles County Metropolitan Transportation Authority (Metro) has announced that the $3.7 billion D Line (formerly Purple Line) extension is scheduled to open ahead of the 2028 Los Angeles Olympic and Paralympic Games, with its terminus at Museum Row. This extension will serve the surrounding county's art museum, the Academy Museum of Motion Pictures, the Petersen Automotive Museum, and the La Brea Tar Pits.
Key Data and Engineering Details:
Ridership Forecast: The extension is projected to carry an average of 16,200 weekday riders after opening.
Funding Composition: Funding includes local sales tax revenue, federal grants, and a $749.3 million Transportation Infrastructure Finance and Innovation Act (TIFIA) loan from the U.S. Department of Transportation.
Technical Specifications: The project utilizes a Tunnel Boring Machine (TBM) with a diameter of 21 feet, capable of advancing 40 to 60 feet per day. Precast concrete segments are installed simultaneously to form sealed, secure rings.
Current Status: All underground station box excavations are complete. Trains have now entered the simulated schedule testing phase without passengers, and all operator training has concluded.
The underground tunnel construction was completed two years ago. Contractors overcame geological challenges on the La Brea segment, including high concentrations of tar sands and Ice Age fossil deposits, by employing specialized lining techniques to effectively isolate risks from groundwater and harmful gases.
All new stations will feature public art, reflecting the vibrant local arts community. Furthermore, Metro recently unveiled plans for a 14-mile automated subway line along the Sepulveda Corridor and announced extensions of the K Line south to the Torrance Transit Center and north to Hollywood to expand network coverage.
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