State Route 509, SR 518 to SR 99

 

MP: 27.23

Location: SR 509 and S 128th St, Burien

Reassurance shield after the S 128th St exit

 

MP: 28.25

Location: S 112th St and SR 509, Seattle

Reassurance shield after the S 112th St exit

 

MP: 28.69

Location: SR 509 and SR 99, Seattle

JCT SR 99 coming up. There is a small physical gap between SR 509 N and SR 99 N, hence the “TO 99″

 

MP: 29.5

Location: SR 509 and SR 99, Seattle

Bear right for SR 99, both directions. SR 99 north exists after the gore and then loops back around onto this roadway.

MP: 29.5

Location: W Marginal Way S and 1st Ave S, Seattle

SR 99 North goes straight onto Marginal Way and then back on the previous roadway, SR 99 south heads to SR 599

 

MP: 29.56

Location: W Marginal Way S and 1st Ave S, Seattle

SR 509 ends here

 

S to SR 516

S to SR 599, N to SR 523

E to SR 99