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Annual Trolley Tunnel Maintenance Blitz

July 1, 2022

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Beginning Friday, July 8, 2022 at 10:00PM and continuing through Sunday, July 25, SEPTA crews will work around-the-clock addressing critical track and power maintenance and upgrades, station improvements and painting, and intensive tunnel, track area, and station cleaning as part of the 2022 Trolley Tunnel Maintenance Blitz.

Customers are reminded that Trolleys will not operate in the tunnel at any time during this 16-day period of intense work.

Full details on the 2022 Trolley Tunnel Blitz are available here.


  • Trolley service will begin and end at 40th and Market Streets

  • Travel between 13th Street and 40th Street will be replaced by the Market-Frankford Line and Market-Frankford Owl service

  • Trolley Routes 10, 11, 13, 34, and 36 will temporarily divert to 40th & Market Streets

  • Signage will be posted at the 40th Street Portal and at stations with service information.  Directional signage will help customers navigate the system during the Blitz, with tips on how to access service during construction, stairway and station closures, and boarding information.

  • Tents will be available at 40th Street as a temporary shelter for customers transferring from Trolleys/Market Frankford Line


  • Station platform and infrastructure improvements

  • Replace worn track curved rail at various locations

  • Signal system maintenance and testing

  • Heavy station cleaning – painting, graffiti removal and drain cleaning


This is the ninth year for SEPTA’s Trolley Tunnel Maintenance Blitz. Giving SEPTA forces the opportunity to tackle maintenance, track construction, station facility, and safety improvement work in a concentrated period of time reduces the number of late night and weekend outages over the course of the year.  On average, 700 vehicles operate through the five-mile Trolley Tunnel every day. As with previous Blitz campaigns starting in 2014, this work is scheduled during the summer when our ridership is traditionally lower in an effort to impact the fewest number of regular customers.

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