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J Church Change

July 1, 2020 by Heather World

MUNI rail service will resume in August, but the J Church will stop at Market Street, according to the San Francisco Municipal Transportation Agency. The shortened route is meant to speed service in the tunnel and above ground, as explained on the website and excerpted here:

 

Our subway system moves our highest volumes of customers, cumulatively, through the core of the city. Reliability is imperative for our customers and operators. Yet over the years as our service has grown, we have placed too much demand on our subway tunnels without improving tunnel capacity.

Before the COVID-19 emergency, we had been running more trains per hour in subway than we can process, roughly 40 trains per hour. Often, however, we’re only able to get 35 of trains through. This makes our service inconsistent and leaves our customers frustrated. To improve reliability and efficiency we need to reduce the number of trains per hour to around 25 to 30 and run higher capacity trains through the subway.

Line graphs depicting the disparity between number of trains scheduled to run through the subway and actual number of trains that get from end to end. The difference represents backups and delays that make the current configuration unreliable.

Graphic: Line graphs depicting the disparity between number of trains scheduled to run through the subway and actual number of trains that get from end to end. The difference represents backups and delays that make the current configuration unreliable.

The J Church and K Ingleside lines can only support one-car trains due to surface-level constraints, while the N Judah, M Ocean View, T Third and S Shuttle can accommodate two-car trains. One-car trains take up the same “slot” in the subway as a two-car train. By devoting the tunnels to the higher capacity routes, we could be using the space in our subway much more efficiently. And with ridership volumes, it currently makes the most sense to combine the K Ingleside and L Taraval lines.

The shorter running times means the J Church, K Ingleside, and L Taraval lines will be more frequent along their new surface-only routes. Combined with a more reliable frequent shuttle service, trips downtown will be more dependable and quicker.

 

Filed Under: COVID-19, Muni, SFMTA

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Glen Park Association
1 week ago
Glen Park Association

Meet one of the Greenway’s most diligent volunteers -- A Townsend Warbler as far as Google knows. Progress in removing invasive oxalis is going well, but work remains! As the sun comes out, please join us at the Glen Park Greenway Native Meadow (between Lippard and Brompton Streets) to carefully remove invasive oxalis plants. Email our oxalis remediation lead, Kathy Keller at greenway@glenparkassociation.org if you can help! ... See MoreSee Less

Meet one of the Greenway’s most diligent volunteers -- A Townsend Warbler as far as Google knows. Progress in removing invasive oxalis is going well, but work remains! As the sun comes out, please join us at the Glen Park Greenway Native Meadow (between Lippard and Brompton Streets) to carefully remove invasive oxalis plants. Email our oxalis remediation lead, Kathy Keller at greenway@glenparkassociation.org if you can help!
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Glen Park Association
1 week ago
Glen Park Association

Join us THURSDAY JANUARY 19 at the Glen Park Association Quarterly meeting. We'll be in-person at the Glen Park Rec. Center at 6:30 PM. Our agenda includes:

-- A special presentation from QuitCarbon,
-- Meeting the new owners of @canyonmarket ,
-- Learning more about projects at @sfrecpark & @sfpublichealth, and
-- Electing 2023 GPA officers.

Have you renewed your membership for 2023 yet? Help keep our neighborhood vital by joining today at www.glenparkassociation.org/glen-park-association-membership/
... See MoreSee Less

Join us THURSDAY JANUARY 19 at the Glen Park Association Quarterly meeting. Well be in-person at the Glen Park Rec. Center at 6:30 PM. Our agenda includes:

-- A special presentation from QuitCarbon, 
-- Meeting the new owners of @canyonmarket , 
-- Learning more about projects at @sfrecpark  & @sfpublichealth, and
-- Electing 2023 GPA officers.

Have you renewed your membership for 2023 yet? Help keep our neighborhood vital by joining today at https://www.glenparkassociation.org/glen-park-association-membership/
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Coyote Yipps
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Glen Park Neighborhoods History Project
Open SF History
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