MP: 15.19 Location: Renton-Maple Valley Rd and SR 18, Maple Valley Reassurance shield after SR 169   MP: 12.69 Location: SE 256th St and SR 18, Covington 1 mile to SR 516   MP: 12.23 Location: SE 272nd St and SR 18, Covington SR 516 coming up in half a mile   MP: 11.77 Location: … Continue reading State Route 18, SR 169 to SR 516