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September 21, 2026
Building 4
Construction of an office suite renovation project is underway in Building 4. During this time, crews will be working inside rooms 4-205 & 4-211 in the south wing of the second floor.
Construction activities are scheduled to proceed through early 2027, with crews working Monday-Friday, 5AM–1PM, and again from 6PM–1AM. This renovation work will generate some noise from construction activities. Any activities generating loud noise are scheduled to conclude by 7:30AM or occur after 6PM.
While construction is underway, crews are scheduled to transport materials through the second floor of Buildings 3 & 10, from the Building 3 loading dock via the Building 3 freight elevator. Material transport is scheduled to occur before 8AM daily. Access to the corridors and stairwells will not be impacted. Signage will be posted.
Questions about this work may be directed to Julie Azzinaro.
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Building 8
Lab renovation work on the fourth floor of Building 8 is underway in room 8-410. Construction hours are 6AM – 2PM. Major disruption and noisy work are scheduled before 8AM, with some occasional light noise expected for the duration of the workday. This project is scheduled through the end of September.
Questions about this work may be directed to Aidan Place.
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Building 39
To support the MIT Quantum Initiative (QMIT), construction activities for the Quantum Systems Laboratory are scheduled to begin in and around Building 39. The renovation will house quantum computing systems and hardware along with supporting spaces for integrated electronics, biology, and chemistry labs, and a headquarters for QMIT.
Enabling activities are scheduled to begin the week of August 24. Below you’ll find an overview and high-level schedule for the major phases of construction. Anticipated construction hours are 7AM – 6PM, Monday through Friday, with some weekend and evening work expected. Please note that the schedule is subject to change.
Project mobilization
During this phase, crews will prepare the site for construction. Activities include the closure of Building 39, utility work, and site investigations. Beginning this week, crews are scheduled to install fencing around Building 39 and the adjacent sidewalk, bike lane, and LRR Innovation Corridor area to establish the construction perimeter. Detour information is provided below. The building will remain unoccupied throughout construction.
To prepare for new utilities and associated project-enabling work, the existing driveway and courtyard will be removed within the construction fence line, with some limited work outside the fence. Some noise is expected.
Bicycle rack relocation
PW parking currently located adjacent to Building 39 will be removed from service, and cyclists and riders will be redirected to the racks underneath the Building 37 overhang facing Vassar Street, or the existing racks adjacent to Building 24 along the LRR Innovation Corridor.
LRR Innovation Corridor detours
The fenced work area will include the entire north side of Building 39 along Vassar Street and will extend south of Building 39 to encompass the courtyard adjacent to Building 24. The underpass below Building 39 and the turnaround in front of the building will be inaccessible to vehicles and pedestrians for the duration of the project. Pedestrians will be directed to use the sidewalk across from Building 39 on the northern side of Vassar Street, which will be accessible via temporary crosswalks. Personal Wheel (PW) riders will be detoured to a temporary bike lane installed on the south side of Vassar Street, in front of the construction site. Some metered parking spaces on Vassar Street will be out of service during this time to accommodate the temporary lanes. Pedestrian, delivery, and other vehicular access to the Innovation Corridor will be maintained through the underpass between Buildings 35 and 37. The Lincoln Lab shuttle stop will be temporarily relocated; details will be provided in a future notification. Police will be onsite and signage will be posted to direct occupants and abutters around the work area. See the map for the location of work.
Demolition and foundation activities
During this phase, crews will begin demolition activities and materials will be delivered to the site. Later in the fall, crews will install foundational piles. Noise, vibration, and increased truck traffic are anticipated throughout the demolition and foundation work.
- Construction hours may be extended to 7AM – 11PM, Monday through Friday, during the fall demolition phase.
- Two-way traffic will be maintained on Vassar Street. Construction vehicles will be entering and exiting the site from Vassar Street directly in front of the site. Occasional access may be required through the rear of the site via the Building 9 underpass from Mass Ave.
- Traffic will increase in the area as construction vehicles enter and exit the site.
- The project team will coordinate with other projects along Vassar Street to maintain access around the site.
- Entrances to Building 39 from adjacent buildings will be closed. Access to stairwells in Buildings 37 and 38 will be maintained throughout construction.
Future phases
After the demolition and foundation work is complete, renovation of Building 39 will begin. Cranes, construction vehicles, and large trucks will be used to deliver materials and renew the structure. Noise and some vibration are anticipated during this phase. The final phase of the project will include landscape restoration work. More information about schedules and dates will be shared as the project progresses. This project is expected to continue through 2028.
Learn about the Building 39 renovation and QMIT
To learn more, view the Quantum Systems Laboratory May 2026 announcement.
Contact
Questions about this project may be directed to 39-reno-info@mit.edu.
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Building 50
Beginning Tuesday, September 8, crews are scheduled to renew the plaster work and ceiling tiles in the balcony area of Morss Hall in Building 50. During this time, Morss Hall will be closed, and access to the adjacent elevator will be removed service on the first floor. Anticipated work hours are Monday through Friday from 6AM through 2PM. Some noise is expected. This project is scheduled through mid-October.
Accessible entry and access to the building will be maintained from the basement entrance via the driveway at the rear of Building 50. Elevator access will be maintained on the basement, second, third, and fourth floors.
Questions about this work may be directed to Hugh Greville.
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Building E25
Atrium glass renewal and entrance detour
Make safe work is underway for the glass panels above the entryways to Building E25 on both the courtyard and Carleton Street sides. Scaffolding will be erected on both the interior and exterior of these entry points, and interior scaffolding will be installed inside the lobby of Building E25 to protect occupants. Increased noise is anticipated throughout construction. This project is scheduled through early December.
As part of this work, cranes are scheduled to be onsite on the following Tuesdays, September 15, 22, and 29. Increased noise is anticipated as crews access and complete work on the roof.
The Building E25 atrium doors leading to and from the courtyard side of the building have been removed from service to accommodate this work. During this time, occupants will be directed to use the doors on the western end of the building, at the end of the corridor adjacent to the courtyard, as an alternate exit, entrance, and passthrough for Building E25. Note access through the Building E23 doors is reserved for patients of MIT Health only. Signage will be posted. See the map for details.
Questions about this work may be directed to Drew Murphy.
Office suite renovation
An office suite renovation project is underway on the fifth floor of Building E25 in rooms E25-505 & E25-510. Anticipated work hours are Monday through Friday from 6AM-3PM. Heavy noise is planned to conclude by 9AM daily, with some occasional light noise for the duration of the workday. These activities will be contained within the rooms. Signage will be posted. This project is scheduled through September.
Questions about this work may be directed to Jacob Knowles.
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Building W4
On Wednesday, July 15, work is scheduled to commence to renovate McCormick Hall, Building W4. This project will begin with the installation of a fence around the building, occupying the sidewalk and street parking spaces adjacent to the building along Amherst and Danforth Streets. Work hours are from 7AM-3:30PM weekdays, with occasional weekend and evening work anticipated. McCormick Hall is expected to reopen for occupancy in August 2028.
Traffic will increase in the area as construction vehicles enter and exit the site from Amherst Street and Danforth Street throughout the day. Amherst and Danforth Streets will remain open to vehicular and cyclist traffic. Pedestrians will be redirected around the site, and police will be present to direct traffic. Signage will be posted.
McCormick Hall’s renovation will consist of some interior demolition and exterior excavation activity. High levels of noise and vibration are anticipated throughout this process. The results will include ADA compliant upgrades, new windows on residential floors, façade repairs, new mechanical, plumbing, and fire protection systems, and modernization of the elevators. The building will remain unoccupied throughout construction.
Learn more about the project on our Capital Projects site.
Questions about this work may be directed to Alan Molin.
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Building W34
Work is scheduled to replace the flooring on the indoor track at the w34-201 Johnson Athletic Center, second floor. Beginning June 8, the space will be closed while construction begins by preparing the space for the new flooring material. Anticipated work hours are 7AM–3PM from Monday through Saturday. Activities are expected to conclude by October.
The project will include equipment removal and preparation of existing surfaces, followed by the installation of a new flooring system. Construction activities will generate some noise, though any disruptive noise will occur after 8AM. The JAC indoor track will be cordoned off with updated signage, and inaccessible through the end of construction.
Questions may be directed to Ericka Pasersky.
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Building W79
On Monday, June 1, utility work is scheduled to begin in the loading dock area between Buildings W79 and W87. Anticipated work hours are 7AM–3PM from Monday through Friday. Activities are expected to conclude in summer 2026.
The work area will be fenced off. The sidewalk in the area may be narrowed to accomodate construction. An increase in truck traffic is anticipated. Please be aware and use caution when traversing the area.
Questions about this work may be directed to Seth Kinderman.
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Athletic Fields
Turf replacement
Work is scheduled to replace the turf on the baseball and softball fields in west campus. In mid-November, crews will begin construction by removing the turf across both fields for replacement. Anticipated work hours are 7AM–3PM from Monday through Friday. Activities are expected to conclude in summer 2026.
The project will include the installation of underground drainage, new fencing, and artificial turf at the baseball and softball fields. Construction activities will generate some noise, though any major disruptive noise will occur after 8AM. The baseball and softball fields will be cordoned off and inaccessible through the end of construction. An increase in truck traffic is anticipated along Amherst Street and Alley. Please be aware and use caution when traversing these areas.
Questions about this work may be directed to Ericka Pasersky.
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Campuswide - security panels
Work is scheduled to replace legacy security panels across campus as part of MIT’s ongoing physical security infrastructure renewal. During this work, legacy security panels will be replaced with updated equipment. The work will take place on a building-by-building basis.
During the replacement process, occupants may be directed to use alternate entrances. Card readers will not function during the upgrade. Doors will only be impacted during working hours. The team will work with key contacts to coordinate the activity as needed. Please below for near-term anticipated building schedules.
Upcoming scheduled building upgrades
- Building W91 - late September through October
- Building W92 - October
Questions about this work may be directed to Lachlan Patterson or Shaun Palma.
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Pacific Corridor
In order to address an underground waterline leak, an excavator and vacuum truck are scheduled to start excavation in the alley between Buildings NW21 & NW30 on Monday, September 14. Anticipated work hours are weekdays from 9AM to 6PM. Loud noise is anticipated. This work is scheduled through early October.
The Pacific Street pedestrian crossing from Albany Street to Vassar Street will remain open, though the pathway may be narrowed to accommodate this work. Albany Street will remain accessible to traffic during work hours. Signage will be posted to reroute pedestrians around the site.
Questions about this work may be directed to Doug Tuttle.
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Non-MIT work
Greater Cambridge Energy Program with impacts on Ames Street, Vassar Street, and Memorial Drive
Construction activities are underway as Eversource proceeds with the Greater Cambridge Energy Program (GCEP). This project will have significant impacts on Ames Street, Vassar Street, and Memorial Drive through 2028. Information about the project is available at Eversource’s website; community members can also subscribe to receive regular updates about the project directly from Eversource.
Visit the GCEP/MIT project site to view a video summary, created specifically for MIT, which provides information about impacts to the MIT community and what to expect during construction. Members of the Eversource project team will be on campus for Community Q&A sessions at key milestones during the project. Session dates can be found on the site as well.
Below you’ll find an overview and high-level schedule for the major phases of construction. Construction hours are Monday through Friday from 7AM – 6PM, and Saturday from 9AM – 6PM, with some additional weekend and evening work expected. Please note that the schedule is subject to change. See the current traffic map for details.
Ames Street lane shift and 24/7 one-way
Traffic patterns have shifted on Ames Street north of Amherst Street as Eversource continues trenching and utilities activities adjacent to Buildings 68 and E19. As part of this shift, traffic through this area will remain one-way northbound from Amherst Street to the intersection of Main Street 24 hours a day, 7 days a week, for the coming months. Southbound access will be restricted, and vehicles will be redirected to use Wadsworth Street to navigate around the closure for access to East Campus. Loud noise from this activity is anticipated throughout the construction workday.
Walkways along Buildings E17, E18 & E19 will be maintained, but the sidewalk will be narrowed. The cycle lanes will shift to the west side of the street adjacent to Buildings 66 & 68. Accessible ramps will be provided where curb cuts are unavailable. Clear signage will be posted to indicate these shifts and the currently accessible routes, and a police officer will be on location to direct pedestrian, cyclist, and vehicular traffic.
Memorial Drive overnight work
Eversource Electric will be performing overnight underground utility installation work on Memorial Drive, between Audrey Street and Ames Street. Nightly working hours are 7PM-5AM. During this time, Eversource will be trenching the roadway and installing an electric transmission line as part of the Greater Cambridge Energy Program. Noise is anticipated.
During overnight working hours, traffic lanes will be altered on Memorial Drive; two-way traffic will be maintained. Active project areas will be plated over after work hours. Please use caution when traversing the area. There will be no disruption to electric service.
Shuttle stop removals in East Campus
Two stops (the MIT Health/Media Lab and the Gray Way stops) have been removed from the Tech, SafeRide, and Grocery shuttles in East Campus. Passengers are advised to board at the Kendall Square stop or the Wadsworth Street stop to access these shuttle routes. See the shuttle pages for more information.
In addition, EZRide Shuttles will be directed to alternate routes during this Eversource construction. The stops at Ames & Amherst Streets and 77 Mass Ave have been removed; a temporary stop along Vassar Street near Building 35 has been added to accomodate this disruption. Visit EZRide’s site for details about alternate routes and schedule changes.
Vassar Street one-way lane shift near Building W97
Beginning Monday, September 14, and continuing into November, a work zone will be established in front of Building W97 on Vassar Street, and traffic patterns will be shifted to accommodate sewer line installation. Additionally, test pit work will commence on Vassar Street near Memorial Drive.
As part of this shift, traffic through this area will remain one-way eastbound from Memorial Drive to Amesbury Street during weekday work hours. Westbound traffic will be detoured from Vassar Street to Amesbury Street and then Memorial Drive to navigate around the closure and for access to the western portion of campus.
The sidewalk along Building W97 will be maintained, but the sidewalk and cycletrack will be narrowed. Westbound cyclists will be asked to walk their bicycles along the sidewalk or to follow an alternative route around the area. Clear signage will be posted to indicate these shifts, and a police officer will be on location to direct pedestrian, cyclist, and vehicular traffic. Shuttle routes will be maintained throughout this work. See the map for details.
Vassar Street test pitting near the intersection of Mass Ave
Throughout September, crews from Eversource will perform test pitting activities along Vassar Street near Mass Ave in preparation for upcoming trenching and utilities installation activities. Traffic patterns will be clearly marked, and police will be on site. Loud noise from this activity is anticipated at each of the test pit sites.
Crews are scheduled to complete borings at various locations per day. Vassar Street and adjacent pathways will remain accessible, but traffic and pedestrian pathways may be shifted or narrowed during work hours. Vehicular traffic is expected to remain two-way, though vehicles may be intermittently stopped as the street is narrowed to one lane. Street parking and lane restriction signs will be clearly displayed.
Contact
Questions about this work may be directed to the Eversource project team at 833-836-0302 or ProjectInfoMA@eversource.com. Community members can also subscribe to receive regular updates about the project directly from Eversource.
Learn about the Greater Cambridge Energy Program
To learn more about the project, visit Eversource’s website.
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