Last Driven September 2016 (Historic Photo: September 2007) MP: 221.55 Location: I-5 and SR 534, Conway, Skagit Cty Reassurance shield after SR 534 MP: 223.66 Location: I-5 and Old Hwy 99 S The Old Pacific Hwy exit here, heads through the town of Mt. Vernon MP: 224.12 Location: I-5 and Anderson Rd, Mount Vernon Welcome to … Continue reading Interstate 5, SR 534 to SR 536