MP: 11.88 Location: Maple Valley-Black Diamond Rd SE and SE 261st Pl, Black Diamond, King Cty 1/2 mile to JCT SR 516   MP: 11.48 Location: SE Maple Valley-Black Diamond Rd and Kent-Kangley Rd, Black Diamond, King Cty Turn right for SR 516 which heads all the way to the coast of the Puget Sound … Continue reading State Route 169, SR 18 to SR 516