Skanska announced it has been awarded a contract by the Massachusetts Bay Transportation Authority (MBTA) to deliver the $1.06 billion North Station Draw One Bridge Replacement and Associated Track and Signal upgrades project across Cambridge, Boston and Somerville, Mass.
The project will modernize a critical rail corridor serving more than 11 million riders a year and strengthen connectivity across the Greater Boston region. VHB, a leading engineering, planning and design company headquartered in Watertown, Mass., is the design partner for the design-build contract.
"We are proud to partner with the MBTA on this transformative infrastructure investment that will enhance reliability, and support the region's growing transit needs," said Paul Pedini, senior vice president of Skanska USA Civil. "By leveraging innovative design and construction solutions, our team will deliver a future-ready rail network while maintaining uninterrupted service for the passengers who rely on it every day."
"The replacement of the Draw One bridges is one of the most significant infrastructure investments in the MBTA Commuter Rail system," said Ricky Carey, design manager of VHB. "Once complete, these new structures will deliver lasting benefits to one of the region's busiest transportation corridors."
The scope of the project includes replacing the existing 1930s-era Draw One bascule bridges with new vertical lift spans, significantly modernizing rail operations across the Charles River. The project also involves extensive upgrades to approach trestles, the construction of a new Tower A control facility and the addition of a new Platform F at North Station. These improvements are designed to streamline operations, enhance system flexibility and reliability, and support long-term ridership growth across MBTA's north-side commuter rail network.
In addition, the project encompasses comprehensive track, signal and Positive Train Control (PTC) upgrades to improve safety, resiliency and operational efficiency. The team will implement innovative Alternative Technical Concepts to reduce in-water work, simplify construction staging and enhance safety while maintaining continuous commuter rail and Amtrak service throughout the construction period.
Upon completion, the corridor will expand from four to six tracks across the river, reducing congestion and improving reliability, with construction carefully phased to maintain commuter rail and Amtrak operations and minimize disruption to daily service.
Work is scheduled to commence in May 2026, with expected completion in Fall 2032.
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