Marshall Petaluma Road milepost 6.40 – Slide Repair

Description

Overview

Winter storms during February 2019 caused a slip out on the eastbound direction of Marshall Petaluma Road at milepost 6.40.  This project proposes to install a 50-foot-long retaining wall and drainage improvements to restore the roadway shoulder area.

Funding

The  estimated $300,000 project will be funded through the Federal Highways Administration’s Emergency Relief Funds plus a local match.

Traffic Impacts

There will be single lane access through the construction zone with alternating two-way traffic controlled by a signal. The traffic hold times will be approximately 3 minutes.

Timeline

Early August 2025

  • Start of construction phase

Late September 2025

  • Expected end of construction phase
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