Skip to main content
WSDOT online open houses

US 12/Old Highway 9 Roundabout Pre-design Study

English  |  EspaƱol

Welcome to our online open house!

Improvements are planned for the intersection of US 12 and Old Hwy 9.

After an in-depth review, WSDOT developed a safety plan for this intersection.  The plan outlines ways to help manage travel speeds and reduce conflict points. A conflict point is where vehicles cross, merge, or diverge.

WSDOT is proposing a single-lane roundabout on US 12 at Old Hwy 9. The goal is to reduce and prevent crashes.

This online open house includes:

The online open house is available through May 28, 2025. Once you have reviewed the information, please visit the Feedback section. Your input will help us develop the best project to improve the intersection.

Map of the project location, near Grand Mound on US 12 at Old Highway 9
Study location at the intersection of US 12 and Old Highway 9