Major construction is underway to make the T better, safer, and more reliable. We are accelerating several projects—including station, vehicle, and infrastructure improvements—that will deliver results to riders much sooner. Getting Results to Riders Sooner Through full weekday and weekend closures, we will complete 8 years of work in 1 year. Learn more about what projects we’ll be working on, when, and where:

This accelerated work is just a piece of our full Building a Better T portfolio of projects. Learn more about the accelerated work planned through the end of 2020 below.

Building a Better T As part of our $8 billion, 5-year capital investment plan, we're renovating stations, modernizing fare collection systems, upgrading services for our buses, subways, and ferries, and improving the accessibility of the entire system. Learn more

green line Green Line We’ll improve service levels for more than 50,000 riders nearly 2 years faster than previously planned with 28-day closures. Each 28-day closure is equivalent to 1 full year of weekend and night closures on the C and E lines. Work on the Green Line includes intersection upgrades plus track replacement on 24% of the Green Line (10.8 miles). Learn more about the Green Line Transformation Where and when can I expect related service changes on the Green Line? We’ll be working on all Green Line branches throughout 2020 and into 2021. Shuttles will be provided during service shutdowns. Check Green Line alerts Learn more about Green Line service changes

red line Red Line We’ll improve service levels for more than 62,000 riders 16 months faster than previously planned. This work includes: Tunnel leak repairs between Alewife and Harvard

South Shore garages work at Braintree and Quincy Adams

Repairs on 32,000 feet (6 miles) of Red Line track, including floating slab work

Harvard Station brightening

Upgrades at Cabot Yard Track repairs will eliminate 1,750 feet of slow zones, improving rider travel times by about 1 – 2 minutes per trip. Learn more about the Red Line Transformation Program Where and when can I expect related service changes on the Red Line? We will shut down Red Line service between Braintree and Quincy Center throughout spring and summer 2020. Shuttles will be provided during service shutdowns. Check Red Line alerts Learn more about Red Line service changes

orange line Orange Line We’ll improve service levels for more than 6,600 riders nearly 6 months faster than previously planned. This work includes: Track replacement (3.5 miles) and systems upgrades at Wellington Yard

North Station brightening Work at Wellington will support the all-new, expanded Orange Line fleet of 152 modern, spacious vehicles. Learn more about the Orange Line Transformation Program Where and when can I expect related service changes on the Orange Line? We’ll be working at North Station starting in early summer 2020, and between Oak Grove and Sullivan through fall and winter 2020. Shuttles will be provided during service shutdowns. Check Orange Line alerts Learn more about Orange Line service changes

blue line Blue Line We’ll improve service levels for more than 25,000 riders 2 years faster than previously planned. This work includes: Harbor tunnel leak repairs and track replacement (2,500 feet) between Aquarium and Airport

Station brightening Track replacement will eliminate some current speed restrictions, improving rider travel times by about a minute per trip. Learn more about Blue Line maintenance work Where and when can I expect related service changes on the Blue Line? We will shut down portions of the Blue Line between Bowdoin and Airport throughout spring and fall 2020. Shuttles will be provided during service shutdowns. Check Blue Line alerts Learn more about Blue Line service changes

silver line Silver Line We’ll improve service levels on the Silver Line 16 months faster than previously planned. This work includes: Pavement repairs at multiple parking facilities

Courthouse Station leak repairs Where and when can I expect related service changes on the Silver Line? Starting in late summer and through winter 2020, Silver Line buses between South Station and World Trade Center will run at street level during some weekends. Check Silver Line and bus alerts Learn more about Silver Line and bus service changes