SMART Rail Extension: Windsor-Healdsburg Project Details

SMART awards $21.7M to Stacy Witbeck/Herzog JV for 9‑mile Windsor‑Healdsburg rail extension, part of $269M funded project. New station, pathway upgrades. Passenger service late 2028.

SMART Rail Extension: Windsor-Healdsburg Project Details
September 22, 2025 10:55 pm | Last Update: May 8, 2026 7:09 pm
A+
A-

The Sonoma-Marin Area Rail Transit District (SMART) has awarded a $21.7 million construction contract to a joint venture between Stacy Witbeck and Herzog to construct 9 miles of new passenger-rail track from Windsor to Healdsburg, California.

Project Scope

The extension is part of SMART’s passenger-rail service in Sonoma and Marin counties. The extension project will bring passenger rail service to Healdsburg for the first time in decades.

Project Funding

SMART has secured $269 million in federal, state, regional, and local transportation grant funds to complete work from Windsor through to the northern city limit of Healdsburg.

Project Goals

The project will bring SMART one step closer to completing the tracks between the cities of Larkspur and Cloverdale, according to SMART officials.

Last June 2025, we published an article about Renfe building a cutting-edge maintenance hub in Aranjuez, boosting Cercanías efficiency with a €69M investment. Click here to read – Future of Rail: Renfe’s Railway Technology Hub, Aranjuez: Essential Guide

Conclusion

The Sonoma-Marin Area Rail Transit District (SMART) has awarded a $21.7 million construction contract to a joint venture between Stacy Witbeck and Herzog to construct 9 miles of new passenger-rail track from Windsor to Healdsburg, California.

Company Summary

Sonoma-Marin Area Rail Transit District (SMART): Awarded a $21.7 million construction contract for a passenger-rail track extension.

Stacy Witbeck: A joint venture partner in the construction of a 9-mile passenger-rail track.

Herzog: A joint venture partner in the construction of a 9-mile passenger-rail track.

Railway infrastructure, rolling stock and transport technologies specialist focused on global rail industry developments, high-speed rail systems, signaling technologies and freight transportation. Covering railway investments, public transport modernization, rail operations and international mobility projects across Europe, Asia and North America.