logo/middlesex-color Created with Sketch.
  • Who We Are
    • Safety
    • Overview & History
    • Leadership
    • Awards & Recognition
    • Industry Connections
    • Community Involvement
  • What We Do
    • Heavy/Civil Infrastructure
      • Bridges
      • Highways & Interchanges
      • Aviation
    • Rail/Transit
    • Energy
    • Paving
    • Materials
      • Asphalt Manufacturing
      • Aggregates
      • Mass Ready Mix
    • Equipment Fleet
    • How We Do It
    • Preconstruction
  • News
  • Careers
  • Contact

Projects

  • Project
    • Energy
    • Heavy/Civil Infrastructure
    • Paving
    • Rail/Transit
  • Delivery Method
    • Bid Build
    • CM at Risk
    • CM/GC
    • Design-Build
  • Rail/Transit
Clear Filters

South Coast Rail Commuter Rail Expansion

Rail/Transit, Rail
Bid Build
Massachusetts Bay Transportation Authority

Brightline Zone 2 GOAA Rail Infrastructure

Rail/Transit, Rail
Design-Build
Brightline Trains LLC

Niantic River Bridge Replacement

Heavy/Civil Infrastructure, Bridges, Rail/Transit, Rail
Bid Build
National Road Passenger Corporation (AMTRAK)
Award Winner

On-Call State of Good Repair – Red Line Track Work

Rail/Transit, Rail
Bid Build
Massachusetts Bay Transportation Authority

MBTA Track/Row II On-Call – Orange Line Surge

Rail/Transit, Rail
Bid Build
Massachusetts Bay Transportation Authority

Central Florida Commuter Rail – Transit Phase 2 South

Rail/Transit, Rail
Design-Build
Florida Department of Transportation
Award Winner

Fitter Interlocking & Wetland Mitigation

Rail/Transit, Rail
Bid Build
AMTRAK
Award Winner

Green Line Extension

Rail/Transit, Rail
Design-Build
Massachusetts Bay Transportation Authority

New Haven – Hartford – Springfield Double Track (NHHS)

Rail/Transit, Rail
Bid Build
National Road Passenger Corporation (AMTRAK)
Award Winner

South Station Expansion – Tower 1 Interlocking

Rail/Transit, Rail
Bid Build
Massachusetts Bay Transportation Authority

Connecticut River Mainline CWR Installation & Maintenance

Rail/Transit, Rail
Bid Build
Massachusetts Department of Transportation

Albany-Schenectady Double Track Rensselaer Station 4th Track

Rail/Transit, Rail
Bid Build
National Road Passenger Corporation (AMTRAK)
  • 1
  • 2
  • east
Middlesex
  • Who We Are
  • What We Do
  • News
  • Careers
  • Contact
  • LinkedIn
  • Instagram
  • Facebook
  • YouTube

Copyright ©2025