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Solar-Powered E Ink Signs

A photo of an e-ink sign at Heath St with a green line trolley waiting with open doors next to the curb
  • Contract award: Spring 2022 (Planned)
  • Projected completion: Early 2024
  • Budget: $3.4 million
  • Status: Pilot projects complete; scale-up project in planning & design

Real-time arrival information significantly improves the experience of taking public transit, so we’re working hard to make this information available throughout the MBTA system. However, access to electricity and the fiber network is limited or nonexistent in some areas.

Thanks to solar-powered electronic ink (E Ink) signs, we can now bring real-time information to more stations and stops.

As part of the Green Line Transformation (GLT), this project meets the goal of improving customer experience by providing real-time train arrival times at more street-level Green Line stops.

Building a Better T

As part of our $9.6 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

What We're Working on in 2021 and 2022

After conducting multiple pilots to test E Ink technology and gather rider feedback, the MBTA approved a project to scale up the program.

In 2021 and 2022, we’ll begin bringing real-time information to most surface-level Green Line stations on the B, C, and E branches and to additional bus stops in communities throughout Greater Boston.

We are currently in the planning and design phase, with construction expected to begin in 2022.

Share your feedback

We’re collecting rider feedback to help shape the Green Line scale-up. We'd love to know your thoughts on the new E Ink signs.

Take our short digital survey
Closeup of Green Line C e-ink sign at Washington Square, reading "Now" west to Clevelant Circle, with some of a Green Line train in the background.

How We Got Here

In 2017, we launched our first pilot to test sign durability and performance, gather customer feedback, and determine whether we could add signs to additional bus and subway stops. We were especially curious to know if the signs could withstand frigid Boston winters.

In 2019, we expanded our pilot testing to include bus stops and to test additional stations on the Green Line where countdown predictions weren’t already available.

Learn more about how electronic ink works

Related Projects

four photos: two construction workers tamping down tracks, a person in a GLT hard hat directing a person in a wheelchair, a new green line train, and a green line trolley car full of riders heading to Park Street. There's a GLT logo banner at the bottom going across all four photos

This project is one of many we're working on to ensure twice as many passengers have access to a safer, more comfortable, and more reliable Green Line by 2030.

Learn more about the Green Line Transformation

Photo Gallery

Contact Information

For all questions and comments related to solar-powered E Ink signs, please contact GLT@mbta.com.

Recent Updates

View all project updates

Building a Better T

As part of our $9.6 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

Related Projects

four photos: two construction workers tamping down tracks, a person in a GLT hard hat directing a person in a wheelchair, a new green line train, and a green line trolley car full of riders heading to Park Street. There's a GLT logo banner at the bottom going across all four photos

This project is one of many we're working on to ensure twice as many passengers have access to a safer, more comfortable, and more reliable Green Line by 2030.

Learn more about the Green Line Transformation

Recent Updates

View all project updates