Global InformationD Line Extension information
 D Line Subway Extension Project  | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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 The interior of Wilshire/La Brea station, under construction in November 2023. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Overview | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Status | Under construction | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Locale | Mid-Wilshire, Westwood, Century City, Los Angeles and Beverly Hills | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Termini |
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| Stations | 7 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Website | metro | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Service | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Type | Rapid transit | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| System | Los Angeles Metro Rail | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Operator(s) | Metro (LACMTA) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| History | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Planned opening |
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| Technical | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Line length | 9 mi (14 km) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Number of tracks | 2 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Track gauge | 4 ft 8+1⁄2 in (1,435 mm) standard gauge | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Section 1 highlighted in red, 2 in green, 3 in blue 
The D Line Subway Extension Project, formerly known as the Westside Subway Extension, the Subway to the Sea, and the Purple Line Extension, is a construction project in Los Angeles County, California, extending the rapid transit D Line (formerly the Purple Line) of the Los Angeles Metro Rail system from its current terminus at Wilshire/Western in Koreatown, Los Angeles, to the Westside region.[4] The project is being supervised by the Los Angeles County Metropolitan Transportation Authority (Metro). The subway has been given high priority by Metro in its long-range plans,[5] and funding for the project was included in two county sales tax measures, Measure R and Measure M.[6]
The project's draft environmental impact statement was completed in September 2010, and a locally preferred alternative was selected in October 2010. Metro released the D Line (then the Purple Line) Extension's final environmental impact report in 2012. The entire project was approved at the Metro Board of Directors meeting on April 26, 2012, and construction has been separated into three sections.[7][8]
This project's first, second, and third sections are under construction. Combined, these three sections will add nearly 9 miles (14 km) of heavy rail service to the cities of Los Angeles and Beverly Hills. Construction on Section 1, between the existing Wilshire/Western station and the planned Wilshire/La Cienega station, started on November 11, 2014.[9] Section 2 pre-construction work between Wilshire/La Cienega station and Century City/Constellation station began in April 2017, and the official Section 2 groundbreaking ceremony took place on February 23, 2018.[10] Section 3 advanced utility relocation pre-groundbreaking work began in February 2018 for the future Westwood/UCLA and Westwood/VA Hospital stations.[11] The Section 3 groundbreaking ceremony took place on May 24, 2021. On April 2, 2024, the Los Angeles Daily News reported that the tunneling for the project had been completed.[12]
A fourth section has long been discussed, which would extend the D Line from the Westwood/VA Hospital station 3.5 miles under Wilshire Boulevard to Santa Monica beach, terminating at or near the E Line or future Lincoln Boulevard Transit Corridor terminus.[13]
- ^ @numble (January 29, 2024). "December 2023 status report for LA Metro's D Line Extension Section 1. 89.53% as of 12/29/23, +0.4% since 12/1/23. They will install normal gates and then replace them later with paddle gates. Contractor added 9 days to forecast completion (now 7/17/25)" (Tweet). Retrieved February 16, 2024 – via Twitter.
- ^ @numble (January 29, 2024). "December 2023 status report for LA Metro's D Line Extension Section 2. 63.8% as of 12/29/23, +0.9% since 12/1/23. Contractor forecasts completion to be 16 days later than prior forecast, around late October 2026 instead of early October" (Tweet). Retrieved February 16, 2024 – via Twitter.
- ^ @numble (January 29, 2024). "December 2023 status report for LA Metro's D Line Extension Section 3. 50% as of 12/29/23, -1.24% since 12/1/23. $106.7m of change orders were added, decreasing completion percentage ($52 of $100 contract is 52%, add $4 to contract and $52 of $104 is 50%)" (Tweet). Retrieved February 16, 2024 – via Twitter.
- ^ Cite error: The named reference
MetroProjectSitewas invoked but never defined (see the help page). - ^ Cite error: The named reference
LRTPwas invoked but never defined (see the help page). - ^ Cite error: The named reference
MeasureRwas invoked but never defined (see the help page). - ^ "Westside Subway Extension Final EIR/EIS". Metro (LACMTA). February 6, 2013. Archived from the original on March 24, 2012. Retrieved July 12, 2013.
- ^ Steve Hymon (April 26, 2012). "Metro Board approves final environmental study for Westside Subway Extension". The Source. Metro. Retrieved April 26, 2012.
- ^ Dave Sotero (November 10, 2014). "Long wait over: groundbreaking held for Wilshire Boulevard subway extension". The Source. Metro. Retrieved November 19, 2014.
- ^ "Purple Line phase 2 groundbreaking!". February 23, 2018.
- ^ "Update on construction progress for the Purple Line Extension". Thesource.metro.net. January 11, 2018. Retrieved January 30, 2018.
- ^ Scauzillo, Steve (April 2, 2024). "Tunneling is finished on LA Metro D Line extension, a milestone for $9.5B project". Los Angeles Daily News. Retrieved April 3, 2024.
- ^ January 31, 2017, 10:00AMScott Frazier Comments (August 24, 2014). "Does L.A. Need the Santa Monica Purple Line Extension?". Urbanize LA. Retrieved May 18, 2022.
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