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I-95/I-93/University Avenue Interchanges & I-95 Widening

A new route to a safe and fast commute

  • 160K


  • 12


  • 3mi

    New Hwy Ramps

  • Canton-Dedham-Westwood, Massachusetts

    Canton-Dedham-Westwood, Massachusetts

Improving traffic capacity to reduce heavy congestion along one of the state’s busiest commuter routes

Traffic jams were the norm at the I-95/I-93/University Avenue interchanges. Located along one of the state’s busiest commuter routes, the interchanges were the site for accidents and heavy congestion.  

Our team was called in to improve traffic capacity and flow. Our engineers’ work began with the preparation of an Environmental Impact Report and Environmental Assessment and continues through design. Key design elements include 12 highway bridges, a pedestrian bridge, a pedestrian tunnel, 36 retaining walls, four culvert modifications, three new culverts, a new highway lighting system, and new traffic signs. In addition, our design reconfigures the highway ramps primarily within the existing right-of-way, and widens the road to four travel lanes.

The final design brings with it a safer and faster commute. It also brings environmental enhancements to the community. Improved drainage systems will enhance stormwater treatment, while the ramp and roadway demolition presents an opportunity to recreate wetlands, flood storage, and animal habitats. 

At a Glance

Meet Our Team

Jill McLaughlin, Senior Transportation Engineer

Getting out of the office is important: understanding how projects are built will make you a better designer.
Jill McLaughlin Senior Transportation Engineer Read More

Bill Reed, Senior Principal

Leading this transportation group is a very satisfying job for me, and it’s what makes me get up every day and want to come to work.

Joseph Salvetti, Senior Associate

When dealing with contaminated soils and groundwater, you’re often the bearer of bad news. But the relationships we build with our clients help them trust that we’ll solve the problem.

Marie Sullivan, Senior Associate

I am passionate about my work—seeing the way my projects improve the quality of life for the traveling public is extremely satisfying.

Jill McLaughlin

Senior Transportation Engineer

Bill Reed

Senior Principal

Joseph Salvetti

Senior Associate

Marie Sullivan

Senior Associate

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