Current status of 145th freeway roundabouts

Monday, August 18, 2025

Trains run every 12 minutes on the 1 Link
This is the 148th Transit Station.
Photo by David Carlos

You may recall that the city is building two roundabouts on N 145th - one on each side of the freeway to handle traffic leaving and entering I-5. The 148th Transit station is up and running just north of 145th and can be seen to the right in the photo.

This is the east side, looking south
Photo by David Carlos



This is a design published by the city of what the roundabouts will look like when they are operational.

It's a massive project involving multiple agencies and it has already run into some delays.


This is the west side of the freeway, looking west. Seattle is on the left and Shoreline is on the right.

This project was combined with the 145th corridor project. The City felt that having one general contractor for both projects would improve traffic control through the work zone and eliminate potential conflicts of having two contractors in the same area.


6 comments:

Anonymous,  August 18, 2025 at 9:11 AM  

Is that Mt Baker in the top photo??

Anonymous,  August 18, 2025 at 11:14 AM  

I did get a nice USPS mailer from the City of Shoreline describing the upcoming work, road closures, and detours. A coming closure of N 145th between 1st and 5th Ave. NE (including the I-5 overpass both directions) was noted that "[signed] detours will take drivers east and west on N 155th and N 130th Streets." Also showing on the included detour map was a detour route on 5th Ave NE between N 145th and N 130th Street. Sadly, N 130th Street is currently closed eastbound; and 5th Ave NE closed north of N130th Street.

The mailer included an email address for correspondence, and my (several) emails to ask for clarification of the obvious errors has gone unanswered. Latest perusal of the web site still shows these oversights uncorrected.

I do understand that the work down on N 130th Street is not part of the SoS N 145th corridor work described here. A project manager for the latter should do better, particularly when they are making a mass mailer that makes promises when asking for community cooperation.

Dale,  August 18, 2025 at 11:45 AM  

What is the latest guess as to when this will be completed?

Anonymous,  August 18, 2025 at 1:40 PM  

Now provide us with a representation of what the roundabout will look like with a semi and a bus trying to go through it at the same time. Something more realistic than a couple of clown cars. For a major arterial.

Anonymous,  August 18, 2025 at 8:19 PM  

Roundabouts were supposed to take less than 6 months. 145th is essentially one big construction site until late ‘27 early ‘28 and they still have to work on the bridge which is a WASDOT responsibility. For what?!?! Lived here over thirty years and have seen just a handful of accidents on 145th at the bridge. Normal. Knew when they started this it would balloon and never make deadline. Council needs to resign en mass!!

Anonymous,  August 18, 2025 at 10:34 PM  

Obviously idiotic, but unfortunately expected. How many accidents has this caused on SB I-5 exiting 145th? Do you have data on that?

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