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Seattle’s first protected intersection opens

The new protected intersection at Thomas Street and Dexter Avenue North in South Lake Union is opening — the first of its kind, and likely not the last.

A rendering shows the new protected intersection layout that includes five new concrete islands to direct traffic patterns.

The new intersection design aims to keep bikers and pedestrians safer with concrete islands and updated traffic patterns.

Rendering via SDOT

Seattle’s first protected intersection, located at Thomas Street and Dexter Avenue North, is now open to traffic as of Friday, May 10.

The intention of the area’s new features is to help direct traffic in a way that better supports bikers and pedestrians.

So, what’s new?

  • Corner islands — these concrete islands encourage drivers to turn at slower speeds + improve visibility of bikers and sidewalk users.
  • Traffic signals — these will direct people walking and biking on when to cross streets + alert drivers of crossings.
  • Separated bike paths — concrete curbs between bike and vehicle lanes reduce the likelihood and severity of crashes.
  • Simplified navigation — added signs and markings will better guide drivers on when to stop and turn.

Other sections of Thomas Street between Fifth Avenue North and Dexter Avenue North will see further improvements, like a new pedestrian plaza + wider sidewalks, later this year.

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