Kendall Square Construction Projects

Kendall Square Construction Update

The following is an outline of the active construction projects in Kendall Square, including private development projects and City of Cambridge infrastructure projects. To stay up-to-date on the projects listed below, please sign up for the newsletter. For questions, please contact Kristen Kelleher at kkelleher@cambridgema.gov.

This webpage is updated regularly. The last update was October 1, 2025.

Project List 

Click any of the below projects to learn more and view upcoming impacts:  

SoMa Site 2 - 200 Main Street

Located at 200 Main Street, SoMa Site 2, a mixed-use building, will incorporate the existing structure at 200 Main Street (known as the Kendall Building) with a 12-story addition providing new commercial laboratory and office spaces. This work includes demolition of the Site 2 building on Wadsworth Street and reconstruction of Wadsworth Street.

Upcoming Impacts 

• Project site is idle and on hold. Public sidewalks adjacent to site have been temporarily restored and area available for use. 

Headhouses of MBTA Kendall/MIT Stations

The North Side of the MBTA Kendall/MIT Headhouse is being reconstructed as part of the project at 325 Main Street.

Upcoming Impacts  

• Final planting and site cleanup are anticipated in October of 2025 to complete project      

Kendall Common (Former Volpe Site)

MIT is proceeding with the creation of a dynamic mixed-use project on the site. The master plan for the site development was approved in 2021 by the Planning Board after a community engagement process. The proposed development includes nearly 3 million square feet of space providing retail and restaurants, market-rate and affordable housing units, a community center, and science and innovation facilities. The vibrant, mixed-use center will also provide pedestrian links and publicly-accessible open space, including a large park at the corner of Third Street and Broadway, a linear park adjacent to Sixth Street/Loughrey Way, a park adjacent to the community center, and a park on Binney Street.

Upcoming Impacts - 75 Broadway

• Demolition sitewide is ongoing.
• Foundation work has commenced and will continue through all of 2025 and into 2026

Upcoming Impacts - Broadway Utility Work

• Broadway one-way detour implemented and is expected to be in place until spring of 2026
• Utility work is ongoing

Greater Cambridge Energy Project

Eversource proposes to construct a new underground substation in Kendall Square, along with eight new underground transmission lines interconnecting to existing substations in the surrounding area. The project is expected to bolster system reliability, meet growing energy needs, and further facilitate access to clean energy resources. 

Upcoming Impacts

• Updates on project activities can found here: Greater Cambridge Energy Project | Eversource
• Transmission and distribution line work in right of Way has commenced 
• Transmission line work in Summer of 2025 to include work on:
  • Linskey Way- Daily traffic shifts anticipated 
  • Third Street- Lane shift implemented through Fall of 2025
  • Broadway- Work within established work zones for MXD and Kendall Common Projects
  • Ames Street- Permanent Closure between Memorial Drive and Amherst Street is ongoing. Daily southbound closure between Main and Amherst is ongoing.
• Binney Street: Duct bank install to commence in October of 2025. Daily lane sifts will be implemented through intersections of 3rd and 6th streets
• Check out the full flyer with detour details here!

330 Third Street at Kendall Street

The new building at the northeast corner of the intersection of Third and Kendall Streets will be a 500,000-square-foot, 16-story, mixed-use structure including laboratory and office space, a performance center, and a ground-level indoor/outdoor public space.

Upcoming Impacts

• Building construction is ongoing
• Overhead protection is installed along Third Street frontage to maintain pedestrian access.
• Utility work on Third Street to be commencing in Fall of 2025. Lane shifts and sidewalk detours will be implemented.

The Boston Properties MXD Project

Upgrades to the current site, Blue Garage at 290 Binney Street, will consist of an Eversource underground substation, a reconstructed Blue Garage below grade, a 420,000-square-foot housing building, two new 400,000 square foot commercial buildings, and a new open space with circulation connections located between Binney Street, Galileo Galilei Way, and Broadway. 

Upcoming Impacts

• The current work zones described below will remain in place through 2025:
  • Work zone on Binney Street: Will reduce vehicular traffic to one lane in each direction at Sixth Street. A pedestrian detour will be in place set up at that location. 
  • Work zone on Broadway: Broadway, between Galileo Galilei Way and Ames Street has been reconfigured to have vehicular travel one way eastbound, and a separated two-way bike facility established on the on the southern side of the block. Workzone is occupied by GCEP work to support the substation.
• Building construction is ongoing through 2025. There will be heavy trucking around the site for the duration of this work.
  • Work will take place Monday to Saturday from 6:00 am - 11:00 pm.
  • Project team has approved Noise Variances for work outside of normal working hours.