The Green Line is about to get the green light to start operating again.

Service will resume from North Station on several branches Tuesday morning after more than two weeks of planned work on the tunnels and tracks.

The Massachusetts Bay Transit Authority closed a portion of the line in large part to replace a wooden overhead trough, which housed electric wiring and was installed in the tunnel in the late 19th century, when the subway was first built. The wooden apparatus was replaced with a heavy-duty, metal trough.

“The MBTA is thankful to its workforce for its part in modernizing and improving the Green Line so we can continue delivering safe, reliable service,” a T spokesperson wrote in a statement to The Herald. “We also want to thank our riders for their patience as their typical routes were disrupted. The MBTA is excited to welcome riders back to normal service.”

In addition to replacing the wooden trough, the agency also continued the build out of the Green Line Train Protection System, meant to prevent head-on collisions on the tracks, and other improvements, including modernizing signals and brightening stations.

Service had been suspended from North Station to Babcock Street (B branch), Kenmore (C and D branch), and Heath Street (E branch) starting Dec. 8 and was replaced with a combination of Orange Line and free shuttle and commuter rail service.

The improvements come as the T is seeing some of its best ridership numbers since the pandemic. Weekday ridership averaged 938,000 in October across all its services, including subway, commuter rail, bus, ferry, and paratransit.

The Herald reported that improved and increased service was likely part of the positive trend.

The Red, Orange, and Blue lines saw service leap over the last year, with the number of scheduled weekday trips up 55%, 50%, and 16% respectively from Spring 2024.

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The increased ridership “proves that when the MBTA commits to faster trains and increased service following the Track Improvement Plan, riders respond,” Caitlin Allen-Connelly, TransitMatters executive director told The Herald. “This model needs to be extended across the entire system.”

While the other subway lines have seen improvement, the Green Line, which is the oldest route, has lagged behind. Both the number of trips and riders in October were down compared to the same time last year.

Service on the line should be up and running around 5 a.m. Tuesday morning, although start times may vary depending on the branch.