Mercer Island, which contributed $150,000 to the project, is only the second city for which the university team has produced a complete map. In May, Troost’s team released a similar map for ...

MERCER ISLAND, Wash. — Some Mercer Island residents remain in a shelter-in-place order due to hazardous road conditions in the wake of a bomb cyclone that knocked out power for hundreds of ...

Eastbound I-90 will be fully closed between Mercer Island and Seattle from 11 p.m. Friday to 6 a.m. Sunday. According to WSDOT, crews will restripe the lanes around a failing expansion joint on ...