MP: 51.22 Location: I-5 and SR 6, Chehalis Reassurance shield right at the beginning of the route MP: 49.02 Location: SR 6 and Old SR 603, Littell, Lewis Cty Reassurance shield after JCT old SR 603. 603 was decommissioned in 1992, and headed south to I-5 east of Winlock MP: 24.86 Location: N Main St … Continue reading State Route 6, I-5/US-12 to US-101