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GDOT and private partner outline State Route 400 express‑lane plan, Alpharetta officials press on trees, noise and timing

City of Alpharetta Mayor and City Council · February 24, 2026
AI-Generated Content: All content on this page was generated by AI to highlight key points from the meeting. For complete details and context, we recommend watching the full video. so we can fix them.

Summary

GDOT project manager Beau Quarles and State Route 400 Peach Partners presented a design‑build‑finance‑operate‑maintain P3 for 16 miles of express lanes and two MARTA BRT stations; council members pressed officials on tree clearing, sound walls, construction timing and local landscaping commitments. Council received a projected February 2031 opening date and a plan for March clearing and monthly stakeholder coordination.

Beau Quarles, the Georgia Department of Transportation project manager, told the City of Alpharetta on Monday evening that the State Route 400 Express Lanes project will add express lanes and build infrastructure to support MARTA bus rapid transit, with an anticipated opening in February 2031. "My name is Beau Quarles. I'm the GDOT project manager for the project," he said during a slide presentation of maps and renderings.

The $‑scale public‑private partnership is being delivered by State Route 400 Peach Partners, a consortium the presenters listed as Meridian, ACS Infrastructure and concessions partners. Javier Gutierrez, representing Peach Partners, described the P3 as a design‑build‑finance‑operate‑maintain agreement; the private developer will be responsible for operations and maintenance for…

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