▁the ▁highway ▁in ▁ 2 0 1 6 ▁r anged ▁from ▁a ▁minimum ▁of ▁ 4 7 0 ▁vehicles ▁at ▁its ▁eastern ▁termin us ▁to ▁a ▁maximum ▁of ▁ 5 , 2 0 0 ▁vehicles ▁in ▁dow nt own ▁To led o . ▁SR   5 0 5 ▁was ▁also ▁designated ▁as ▁a ▁state ▁scen ic ▁by way ▁by ▁the ▁legisl ature ▁in ▁ 1 9 9 3 . ▁ ▁History ▁ ▁Until ▁ 1 9 9 2 , ▁SR ▁ 5 0 5 ▁from ▁I - 5 ▁west ▁to ▁Win lock ▁was ▁part ▁of ▁State ▁Route ▁ 6 0 3 , ▁which ▁continued ▁north ▁from ▁Win lock ▁through ▁Nap av ine ▁to ▁SR ▁ 6 ▁about ▁two ▁miles ▁( 3   km ) ▁west ▁of ▁I - 5 ▁in ▁Che hal is . ▁Several ▁changes ▁were ▁made ▁to ▁the ▁state ▁high ways ▁throughout ▁Washington ▁in ▁ 1 9 9 2 , ▁and ▁at ▁that ▁time ▁the ▁section ▁from ▁SR ▁ 6 ▁to ▁Win lock ▁was ▁turned ▁back ▁to ▁the ▁county , ▁while ▁the ▁rest ▁became ▁a ▁part ▁of ▁a ▁real ignment ▁of ▁SR ▁ 5 0 5 . ▁Until ▁that ▁time , ▁SR ▁ 5 0 5 ▁began ▁at ▁an ▁inter change ▁with ▁I - 5 ▁and ▁SR ▁ 5 0 6 ▁west ▁of ▁To led o . ▁The ▁county ▁road ▁is ▁still ▁signed ▁" High way ▁ 6 0 3 " ▁from ▁SR ▁ 6 ▁to ▁Win lock ▁even ▁though ▁it ▁is ▁no ▁longer ▁part ▁of ▁the ▁state ▁highway ▁system .