MP: .05 Location: 4th Ave S and I-90, Seattle Reassurance shield at the beginning of State Route 519 MP: .06 Location: 4th Ave S and Royal Brougham Way, Seattle SR 519 will turn right up here, but staying straight leads to Edgar Martinez Dr S which feeds into I-90 which heads east to I-5 MP: … Continue reading State Route 519, I-90 to SR 304/SR 305/Seattle Ferry Terminal