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What is the I-90 Construction Between Issaquah & Bellevue?

I was wondering the same thing so did some research on the Washington State Department of Transportation website and here is what I found:

 

  • This project in both directions of I-90 will be adding capacity to the roadway. They estimate the improvements will provide relief for almost 150,000 travelers who use this stretch every day.

 

  • The projects main objective is to add auxiliary lanes and build sound walls to minimize the effects of road noise.

 

  • What is an auxiliary lane and how will it help? The auxiliary lane is an extra lane added between closely spaced interchanges which gives drivers more time and space to enter or exit the roadway. They will be located on the outside of the existing lanes in both directions.

 

  • The current lane shifting to the right is to allow the contractor to work in the median and then they will shift the lanes left to do work to reinforce the shoulder to handle the weight of the extra lane.

 

  • This project is expected to be completed in the Fall of 2021. You can expect overnight lane and exit closures as posted & single lane closures during daytime hours.

If you would like more information or would like to follow the project, you can here:

https://www.wsdot.wa.gov/travel/construction-updates/i-90-sr-520#I90

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