Last Driven April 2015 (Historic Photo: September 2008) MP: I-5/77.57 Location: I-5 and SR 6, Chehalis Reassurance shield after SR 6. All hail the unisign! MP: 76.31 Location: I-5 and 13th St, Chehalis Reassurance shield after the 13th St interchange. MP: 73.91 Location: I-5 and Labree Rd, Chehalis Reassurance shield after Labree Rd as we head out … Continue reading U.S. Route 12, SR 6 to SR 508