After nearly four years of construction, the Interstate 90/State Route 18 interchange project is finished.
Add Yahoo as a preferred source to see more of our stories on Google. A construction project to ease congestion at one of Washington's busiest highway interchanges is nearing the finish line, but ...
Construction began in 2023 to install three new bridges, reconfigure the I-90/State Route 18 (SR 18) interchange to a diverging diamond, and widen over two miles of SR 18 from two to four lanes. The ...