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SR 510 at McAllister/Rockcress Roundabout Pre-Design Study

Planning study news

Thank you for visiting the virtual public online open house and for giving us your feedback. The pre-design study of the intersection at SR 510, McAllister Court and Rockcress Drive is complete and a roundabout will be constructed at this location.

January - March 2022
$1 - 2 Million (subject to change)


To reduce potential crashes, we complete routine reviews of rural area intersections on the state highway system. As a result of this review, we will construct a roundabout on SR 510 at the intersection of McAllister Court SE/Rockcress Drive SE and remove the existing stop signs. This roundabout will fit within the existing intersection footprint.

Study map of SR 510 and McAllister Court SE in Thurston County