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Orange Line Transformation improvements continue

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  • Wellington Yard and Maintenance Facility: This week crews installed new track and electrical utilities and tested signals for the new tracks in the south yard. Crews continued work to pre-assemble and stage track materials in preparation for upcoming work on the mainline tracks. In the coming weeks, crews will continue preparing for the upcoming work on the mainline tracks.

  This week in the Maintenance Facility, workers continued the installation and painting of the overhead steel walkway system that will provide access to the top of the trains for maintenance and steel mesh safety fencing.  Work continued on the new flooring system in the electronics repair room. In the coming weeks, crews will continue replacing additional rail tracks within the facility and install the steel framing system for the overhead steel walkway.

  • Orange Line Traction Power Substation Upgrades: Work to upgrade the Orange Line Traction Power Substations with new power infrastructure and equipment is underway. This week at Oak Grove Station, crews continued to paint the interior of the substation and lay out locations for new equipment installations. Looking ahead, workers will continue installing new electrical equipment in the substation at Oak Grove.
  • Orange Line Signal Upgrades: The MBTA is in the process of replacing the Orange Line’s analog signal system with new digital infrastructure. This week crews continued testing signals at Malden Center Station and upgraded power at Community College Station. Next, workers will install power upgrades from Wellington to Community College Stations.

  Please note the schedule for these major infrastructure projects is dependent on weather and COVID-19 guidelines and subject to change without notice.

For More Information

  To see the numerous projects that Orange Line Transformation (OLT) is carrying out to improve your experience riding the Orange Line, visit www.mbta.com/OLT. To stay informed of service changes, sign up at www.mbta.com/alerts. If you have any questions, please email OLT@MBTA.com. To report OLT construction issues and noise complaints, please call the project hotline: 617-222-3393.

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