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Sepulveda Pass Transit Corridor

From Wikipedia, the free encyclopedia

The Sepulveda Pass Transit Corridor is a two-phased planned transit corridor connecting the Los Angeles Basin to the San Fernando Valley through the Sepulveda Pass in Los Angeles, California, by supplementing the existing freeway. The corridor would partly parallel I-405, and proposed alternatives include heavy rail or monorail connecting the Orange Line in the Valley to the Purple Line and Expo Line on the Westside, and the Crenshaw/LAX Line near Los Angeles International Airport.[1]

The Sepulveda Pass Interstate 405 commute between Interstate 10 and CA Highway 101 lies along the busiest highway corridor in the United States, serving 379,000 vehicles per day.[2] The most popular idea has been a rail transit tunnel, as the rugged terrain of the pass makes surface and elevated alternatives almost equally expensive.[3]

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Contents

Overview

The Los Angeles County Metropolitan Transportation Authority (Metro) has $10 billion in funds available for construction planned to begin in 2026.[4] The plan included in the Measure M transportation funding measure is to build improvements in three stages: additional lanes to be used for express bus service to open by 2028, an 8.8-mile transit project between the Orange Line’s Van Nuys Station and the Purple Line Extension’s Wilshire/Westwood Station by 2035, and a planned extension to LAX with a 2059 completion date.[5][6] In April 2017, Metro issued a Request for Proposals to study alternatives, and several companies sent unsolicited proposals to accelerate the project via public-private partnerships.[7] The project's timeline is expected to be accelerated under the Twenty-eight by '28 inititative.[8]

Proposed routings and modes

In June 2018, Metro released its initial six alternative rail concepts for the corridor. All of the proposals provided connections between the Orange Line (at Sepulveda, Van Nuys, or both) and the Expo Line (at Expo/Sepulveda or Expo/Bundy), as well as to the Westside extension of the Purple Line, currently under construction, and to the East San Fernando Valley Transit Corridor, currently being planned. The proposals fell into four categories:

  • A standalone heavy rail line, mostly underground but possibly with some elevated sections in the Valley.
  • A continuation of the East San Fernando Valley Transit Corridor light rail, mostly underground but with a possible elevated spur to Sepulveda station.
  • A monorail or rubber-tired metro line, underground on the Westside, elevated in the Valley, and running at grade or elevated along the 405.
  • An further extension of the heavy rail Purple Line, with a wye that would allow direct connections between the Valley and the Expo Line as well as from both to downtown. This option would be mostly underground but could include elevated sections in the Valley.[9]

In January 2019, Metro released a refined second set of rail concepts for the corridor, eliminating light rail and rubber-tired metro technology from consideration and narrowing it down to four concepts:[10]

  • Three routings for a heavy rail line, mostly underground but possibly with some elevated sections in the Valley.
  • A monorail, underground on the Westside, elevated in the Valley along Sepulveda Blvd, and running at grade or elevated along the 405, terminating at Van Nuys Metrolink Station.

Initial alternatives analysis

Phase One

The January 2019 updated concepts released by Metro for phase one included four alternative plans to be considered. These included different alignments, but only two modes of transit. Heavy rail or monorail. The new alternatives considered in the Draft Environmental Impact Report[11] north to south routes from the Valley to Expo Line are:

DEIR Alternative[12] Description New trips
(daily)
Estimated cost
(billions)
Alternative 1: HRT[13] A heavy rail transit (HRT) line heading south from the Van Nuys Metrolink station under Van Nuys Blvd with stops at the current Van Nuys Orange Line station and a new stop at Ventura Boulevard, then leaving the San Fernando Valley and heading south under the Santa Monica Mountains with stops within the UCLA campus and a transfer stop on the Purple Line extension Westwood/UCLA station before terminating at the Expo Line, at either Expo/Sepulveda station or Expo/Bundy Station. 123,000 TBD
Alternative 2: HRT[14] An HRT line heading southwest from the Van Nuys Metrolink station underground to the Orange Line's Sepulveda station, then continuing under Sepulveda Boulevard to the Santa Monica Mountains with a new stop at Ventura Boulevard; follows a route similar to Alternative 1 on the westside. 120,000 TBD
Alternative 3: HRT[15] An HRT line similar to Alternative 2 in alignment, but with an aerial alignment in the Valley and a potential new stop at Sepulveda and Sherman Way. 133,000 TBD
Alternative 4: MRT[16] A monorail line similar to Alternative 3 in alignment and station placement, but with much of the route over the Santa Monica mountains in an aerial structure or at grade along the 405 105,000 TBD

The following table shows all potential metro stations, and the alternatives for which they apply:

Station Options [17] Alt 1 Alt 2 Alt 3 Alt 4
Metrolink's Van Nuys station × × × ×
Sherman Way Station - - × ×
Orange Line's Van Nuys station × - - -
Orange Line's Sepulveda station - × × ×
Ventura Boulevard Station × × × ×
UCLA Station × × × ×
Westwood/UCLA Station (planned) × × × ×
Expo/Sepulveda station or Expo/Bundy station × × × ×

Phase Two

Early concepts for phase two from Expo Line to LAX/Crenshaw Line were released in 2019, with detailed connections to the under-construction LAX Automated People Mover.[18] Metro hopes to complete the feasibility study by 2019 and an Environmental Review could commence.

There are two main concepts for phase two of the corridor. Both proposed concepts begin at either Expo/Bundy station or Expo/Sepulveda station, contingent on the terminus of the first phase of the project. Both also terminate at the Aviation/96th Street station, which is currently under construction as part of the Crenshaw/LAX Transit Corridor Project. The station will offer transfers to the Green Line, Crenshaw/LAX line, and LAX Automated People Mover. [19]

The first concept extends the corridor south along Centinela Ave from the phase one terminus. The Centinela Ave route has intermediate stops at Venice Blvd or Washington Blvd, Jefferson Blvd in Silicon Beach's Playa Vista area, and Sepulveda Blvd at Manchester Blvd. This option would be completed as below-grade heavy rail.

The second concept extends the corridor south along Sepulveda Blvd or Interstate 405, with intermediate stops at Venice Blvd or Washington Blvd, Culver City Transit Center or the Howard Hughes Center, and Sepulveda Blvd at Manchester Blvd. The Sepulveda Blvd option would be completed as below-grade heavy rail, while the I-405 option could be completed as either a combination of elevated and below-grade heavy rail, or a combination of elevated and below-grade monorail.[20]

A separate concept for the Westside-LAX phase of the Sepulveda Transit Corridor would extend the Purple Line subway south down Centinela Ave along the same route as the other proposed Centinela Ave concepts. This concept would provide a one-seat ride from the LAX Automated People Mover to Downtown Los Angeles, but would require passengers from the San Fernando Valley to transfer at Westwood/UCLA station to travel further south.[21]

The second phase of the Sepulveda Transit Corridor is not due to break ground until 2048.

Advocacy

Transit advocates have proposed combining the Van Nuys Transit Corridor and Sepulveda Pass Corridor into a single study with an aim to connect Sylmar, Van Nuys, the Orange Line, Sherman Oaks, UCLA, and the future Westwood/UCLA Purple Line station. Metro studies declined the LRT merge option and stated HRT would provide faster times and more occupancy on trains. Future extension phases south to the Expo Line, LAX, South Bay, or beyond are also being advocated and proposed.[22] Metro proposed a Centinela Avenue route to LAX or thru Sepulveda Boulevard. No studies have been allocated funds.

The project is part of Metro's Twenty Eight by '28 initiative, which aims to complete its list of expansions in time for the 2028 Summer Olympics.[23] Metro is looking into a public/private partnership to accelerate the opening.

References

  1. ^ http://thesource.metro.net/2018/06/07/rail-concepts-released-for-sepulveda-transit-corridor/
  2. ^ "I-405 In LA Named Busiest Interstate In Any U.S. City". CBS Los Angeles. CBS Broadcasting Inc. Retrieved 7 July 2017.
  3. ^ Los Angeles Magazine
  4. ^ https://thesource.metro.net/2019/01/29/here-are-the-four-new-refined-concepts-for-sepulveda-transit-corridor/
  5. ^ Hymon, Steve. "Of monorails, Measure M and the Sepulveda Pass; How We Roll, June 14". LACMTA. Retrieved July 1, 2017.
  6. ^ "Metro Seeks Mass Transit Solution For Sepulveda Pass". CBS Los Angeles. CBS Broadcasting. Retrieved 1 August 2017.
  7. ^ Sotero, Dave. "Metro releases RFP to study Sepulveda Pass transit options". LACMTA. Retrieved July 1, 2017.
  8. ^ Sharp, Steven (27 November 2018). "Here are the 28 Projects that Metro Could Complete Before the 2028 Olympics". Urbanize. Retrieved 2 July 2018.
  9. ^ Grigoryants, Olga. "LA Metro releases concepts for a rail line through, over, or under the Sepulveda Pass. Take your pick". Los Angeles Daily News. Retrieved 2 July 2018.
  10. ^ Hymon, Steve (2019-01-29). "Here are the four new refined concepts for Sepulveda Transit Corridor". The Source. Retrieved 2019-01-30.
  11. ^ https://thesource.metro.net/wp-content/uploads/2019/01/Refined-Concepts.jpg
  12. ^ https://thesource.metro.net/2019/01/29/here-are-the-four-new-refined-concepts-for-sepulveda-transit-corridor/
  13. ^ https://www.scribd.com/document/381310519/Sepulveda-Transit-Corridor-Community-Presentation#download&from_embed
  14. ^ https://thesource.metro.net/2019/01/29/here-are-the-four-new-refined-concepts-for-sepulveda-transit-corridor/
  15. ^ https://www.scribd.com/document/381310519/Sepulveda-Transit-Corridor-Community-Presentation#download&from_embed
  16. ^ https://www.scribd.com/document/381310519/Sepulveda-Transit-Corridor-Community-Presentation#download&from_embed
  17. ^ https://thesource.metro.net/2018/06/07/rail-concepts-released-for-sepulveda-transit-corridor/
  18. ^ http://thesource.metro.net/2018/06/07/rail-concepts-released-for-sepulveda-transit-corridor/
  19. ^ https://thesource.metro.net/2019/01/29/here-are-the-four-new-refined-concepts-for-sepulveda-transit-corridor/
  20. ^ https://media.metro.net/projects_studies/sfv-405/images/presentation_Sepulveda_HNTB_2019-01.pdf
  21. ^ https://media.metro.net/projects_studies/sfv-405/images/presentation_Sepulveda_HNTB_2019-01.pdf
  22. ^ Reed, Bart. "Valley-Westside Rail Tunnel". The Transit Coalition. Retrieved April 12, 2011.
  23. ^ http://thesource.metro.net/2018/06/07/rail-concepts-released-for-sepulveda-transit-corridor/

External links

This page was last edited on 16 March 2019, at 03:31
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