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Summer Street Multimodal Corridor Improvements

We're making transit, bike, and pedestrian improvements between the Reserve Channel and South Station. These updates will make this corridor more safe, reliable, and efficient.

The South Boston Seaport Strategic Transit Plan is an ongoing planning effort. That planning effort will make recommendations for bus and rail access improvements to the South Boston Waterfront. Early community feedback has highlighted the need for near-term improvement along Summer Street. We plan to improve the transit experience for thousands of daily transit users on Summer Street with new bus and bike facilities. 

Community Insight

Community Insight
Buses are crowded and unreliable

Route 7 buses remain crowded and prone to delay. A rush-hour trip can take an extra 10-20 minutes and reliability is low.

"My commute on the 7 bus is slow and frustrating." - Summer Street Employee

Bike facilities should be expanded

Cyclists do not have a comfortable or consistent bike connection along Summer Street.

"I avoid biking on Summer Street because I don't feel safe." - South Boston Cyclist

Pedestrian safety is crucial

Increased safety and accessibility along Summer Street will expand pedestrian connections throughout the neighborhood.

"This is not a pleasant street to cross in a wheelchair." - South Boston Resident

Corridor improvement

Using community feedback, we have identified Summer Street as an opportunity for near-term, multimodal improvements. Our plan considers a range of transportation improvements throughout the corridor.

  • Center-running bus lanes with enhanced bus stops will provide better passenger amenities while improving the reliability of bus service.
  • Protected bike facilities will allow for low-stress and safe connections between South Boston and Downtown Boston.
  • Shortened crosswalks and improved pedestrian signal timing will increase the walkability of Summer Street. 

Neighborhood benefit

Neighborhood benefit

Severe Delays

More than 4,600 daily passengers use the MBTA 7. They experience crowding, unreliable service, and slow-moving traffic. As the South Boston and Seaport Waterfronts continues to grow, we know these conditions could become worse. Our proposed bus improvements to Summer Street could save 10-20 minutes on rush-hour trips. This would save hours weekly for commuters from South Boston and the Seaport. 


With improved 7 bus service, South Boston and Seaport residents will have better connections to the Red Line and Downtown, especially those in City Point. For bikers, a Summer Street protected bike lane will connect South Boston and the Seaport to existing bike infrastructure downtown, and the recent Crossroads project in the Fort Point Neighborhood. 

Fire Truck

With worsening traffic, response time for first responders is increasing. Emergency vehicles are allowed to use the bus lane. This enables quicker access for fire, EMS, and police to South Boston Waterfront locations. Our plans are designed to accommodate emergency vehicles. This will help reduce response time along the corridor. 


Summer Street is a critical missing link in existing pedestrian and bike infrastructure in the City. With protected bike lanes and safer pedestrian access, the South Boston Waterfront becomes more accessible. Connections to downtown also become safer and more efficient.


Our project has minimal traffic impacts and prioritizes buses, pedestrians, and cyclists. For local commuters in cars, traveling on the corridor will take a similar amount of time as it does today. Our Summer Street redesign will likely dissuade commuters from outside the city from using the South Boston seaport as a cut-through.  

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