MP: 0 Location: I-5 and SR 599, Tukwila SR 599 North begins, a spur of the Marginal Freeway to JCT SR 99   MP: .53 Location: Interurban Ave and SR 599 Reassurance shield after the Interurban Ave exit   MP: 1.46 Location: Tukwila Internatoinal Blvd and SR 599 See that down arrow under the “south” … Continue reading State Route 599, I-5 to SR 99