MP: 3.67 Location: E College Way and SR 9, Mt Vernon SR 538 begins just east of Mount Vernon, serving as a connector from I-5 to SR 9 and from SR 9 to Mt. Vernon MP:Â .07 Location: E College Way and I-5, Mt. Vernon No signage until we get into Mt. Vernon. Turn … Continue reading State Route 538, SR 9 to I-5
