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mainstrealignment-page-0As part of the Longfellow Bridge Project, MassDOT contractors have closed the left lane of Main Street westbound in Kendall Square in Cambridge to construct the final alignment of the roadway and a new median between the MBTA Red Line portal and Third Street.

The left lane will remain closed until the work is completed this summer. All westbound vehicles will share one lane in this area of Main Street during the work. Traffic signals and lane markings have been adjusted to accommodate through traffic and right turns. There are no changes to bicycle accommodations.

Daily lane shifts are being implemented on Mondays through Fridays on Main Street east and westbound. The lane shifts are necessary to install conduit under the roadway for a new HAWK pedestrian signal crossing from the vicinity of the American Red Cross building to the One Memorial Drive building. The signal is similar to one installed last year on Land Boulevard near Cambridge Parkway and Broad Canal. Other enhancements will include a new median with fencing and landscaping.

The final alignment of Main Street eastbound will remain unchanged with two vehicle lanes and a dedicated bicycle lane. The westbound alignment will widen from one vehicle lane on the Longfellow Bridge to two lanes on Main Street. Bicycles will have a dedicated lane next to the curb, and a buffer and parking will be added between the bicycle lane and vehicle travel lanes. The work is being done as part of the Longfellow Bridge Rehabilitation Project under the direction of and in coordination with the City of Cambridge. View the Main Street Realignment figure on the project website.

For more information on the project, visit the project website. View construction progress photos on MassDOT’s Longfellow Bridge Flickr Album. For questions or to report issues related to construction, please call the project hotline at 617-519-9892 or email longfellowbridge@state.ma.us.

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