145th St and I-5 Interchange project roundabouts will allow continuous flow of traffic

Tuesday, November 10, 2020

The City of Shoreline held an online presentation of the 145th Street and I-5 Interchange Project Tuesday, November 10, 2020.

They provide a clear explanation of how roundabouts work to control traffic at busy intersections.

A roundabout allows a continuous flow of traffic, eliminating the stop-and-go backups at lighted intersections, and is shown to reduce serious traffic accidents due to the lower speed and one-way traffic. 

Priorities for the redesign are safety for drivers, bicyclists and pedestrians, and upgrading the intersection to meet ADA requirements. A simulation of how this particular interchange will work will be available on their website next week.

The online open house is available through November 20 HERE

--Pam Cross


Anonymous,  November 11, 2020 at 11:41 AM  

I grew up in Europe, where roundabouts are common. They are a great way of moving traffic efficiently, but I am concerned that the diameter of this may not be sufficient to accommodate vehicles with large turning circles such as semi-trucks exiting the freeway.

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