Last Driven April 2015 (Historic Photo: August 2008) MP: 40.25 Location: I-5 and Allen St, Kelso Reassurance shield after SR 4 (Historic Photo: May 2008) MP: 40.43B Location: I-5 and N Kelso Ave, Kelso BGS for I-5, Kelso Ave used to be SR 431 MP: 41.12 Location: I-5 and Kelso Ave, Kelso Reassurance shield after … Continue reading Interstate 5, SR 4 to SR 411/SR 504