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Orange Line trains can now hit 55 mph between Assembly and North Station

The MBTA said track and infrastructure work allows Orange Line trains to reach 55 mph in both directions on the stretch, extending a speed increase made north of Assembly in August 2025.

Orange Line trains can now travel up to 55 mph between Assembly and North Station in both directions, the Massachusetts Bay Transportation Authority said Sunday. The agency said it is the first time trains have been able to run at that speed on that stretch.

The change follows an August 2025 speed increase that let Orange Line trains reach 55 mph between Oak Grove and Assembly, according to the MBTA.

The agency credited the faster speeds to track work done under its Track Improvement Program, which ran from 2023 to 2024, and to more recent infrastructure work.

Gov. Maura Healey said in a statement that "Orange Line trains can reach speeds of up to 55 miles per hour north of North Station because of the investments we've made to improve tracks and infrastructure."

Eng, the MBTA's general manager, who is also serving as interim secretary, said the improvements would shorten trip times for Orange Line riders. He said the line now provides 76% more service each weekday than it did in winter 2023.

The MBTA did not say how much time the higher speeds would cut from a typical trip, or what the previous speed limit was on the section between Assembly and North Station.

This brief was drafted by AI from a public agency or political press release and published by The New England Signal. Why we use AI for stories like this one.

Massachusetts