North-South Tunnel Project
Conception
$12,000,000,000 est. value
Boston, MA

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Framingham Secondary: Remove and Replace Existing Rail and OTM With Resilient Fastened Relay 131 RE and 136 RE
Post-Bid
Less than $10,800,000 est. value
Boston, MA 4160

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Continuously Welded Rail Installation
Post-Bid
Boston, MA 02116

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84C Composite 3rd Rail
Results
Boston, MA

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Refurbish 22 at-Grade Railroad Crossings on the Middleboro Subdivision
Results
Less than $4,800,000 est. value
Boston, MA 02101

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Railroad Signal Systems Rehabilitation
Post-Bid
Less than $700,000 est. value
MA

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Repair/Rehabilitation of East Cambridge (Lechmere) Viaduct
Results
Less than $50,032,750 est. value
Boston, MA

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Furnish 4,000 New Wood Crossties and Install UP to 27,000 New Wood Crossties
Post-Bid
Less than $6,900,000 est. value
Boston, MA 02116

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Robert Street Bridge, Needham Commuter Rail Line
Results
Less than $9,389,000 est. value
Boston, MA

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Sweeney-Spring Interlocking Design
Post-Bid
Washington, DC - Boston, MA

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On-Call Track 4 - Green Line B&C Branches
Results
$21,214,000 est. value
Boston, MA

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On-Call Track V, Green Line-E Branch
Results
Less than $22,854,338 est. value
Boston, MA 02116

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Green Line B Branch Station Consolidation
Results
$15,372,802 est. value
Boston, MA

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Massdot Berkshire Line Track Improvement – Phase II
Results
Less than $11,500,000 est. value
Great Barrington, MA 01230

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Aquarium Station Floodproofing Improvements
Results
$1,366,699 est. value
Boston, MA