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SMART Initial Operating Segments
IOS-1 & IOS-1A

Santa Rosa, CA

Client

Sonoma Marin Area Rail Transit

Delivery Method

Design-Build

Division

HCC

Capability
Rail Construction

Construction

Details

Year Started
2012
Year Completed
2016
Project Elements
  • Commuter rail

Overview

This design-build project involved the construction of 40.5 miles of track for the initial operating segment of the new Sonoma Marin Area Rail Transit (SMART) commuter rail system. Work included removal and reconstruction of track and track bed along with an existing alignment, of which 34.5 miles were under active freight traffic. Notable features of the work include bridge construction, grade crossings, extensive drainage work, and eight station substructures.

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DART Green Line CM/GC 3
Division

HCC

Capability
Rail Construction
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Division

HCC

Capability
Rail Construction
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SMART Larkspur Extension Phase 1
Division

HCC

Capability
Rail Construction