An act relating to state highway routes; amending RCW 47.17.115, 47.17.170, 47.17.225, 47.17.255, 47.17.305, 47.17.330, 47.17.370, 47.17.375, 47.17.410, 47.17.460, 47.17.517, 47.17.550, 47.17.615, 47.17.625, 47.17.630, 47.17.650, 47.17.660, 47.17.680, 47.17.695, 47.17.730, 47.17.752, 47.17.755, 47.17.824, 47.17.825, 42.17.830, 42.17.835, 47.17.855, 47.24.020, 47.39.020, 46.68.090, 82.36.025, 46.68.110, and 46.68.120; adding new sections to chapter 47.17 RCW; adding new sections to chapter 47.26 RCW; creating new sections; repealing RCW 47.17.245, 47.17.270, 47.17.415, 47.17.420, 47.17.450, 47.17.453, 47.17.555, 47.17.590, 47.17.600, 47.17.620, 47.17.700, and 47.17.810; making appropriations; providing effective dates; and declaring an emergency.