MP: 19.66
Location:Â Marine View Dr S and Kent-Des Moines Rd, Des Moines
Reassurance shield after the turn
MP: 20.39
Location: S 216th Pl and Des Moines Memorial Dr, Des Moines
Bear left to head directly to Seatac, proceed straight for the town of Burien
MP: 20.43
Location: S 216th Pl and Des Moines Memorial Dr, Des Moines
Bear left sign at the gore
 
MP:Â 21.48
Location: 1st Pl S and S 216th St, Des Moines
Reassurance shield after the intersection there
MP: 23.4
Location: 1st Ave S and S Normandy Rd, Normandy Park
SR 509 turns right onto Normandy Rd to jog over to its freeway alignment
 
MP: 24.32B
Location: Des Moines Memorial Dr and SR 509, Seatac
Turn left to jump on the SR 509 freeway to Seattle, proceed straight to get to SR 99 and I-5. We are hugging the west edge of the airport right now
MP: 24.34B
Location: SR 509 and Des Moines Memorial Dr, Seatac
Sign at the gore
MP: 23.61
Location: SR 509 and Des Moines Memorial Dr, Seatac
Reassurance shield at the beginning of the freeway
MP: 25.09
Location: S 160th St and SR 509, Burien
SR 518 takes you to I-405 and I-5 in half a mile
MP: 25.19
Location: SW 148th St and SR 509, Burien
SR 518 will exit in .25 miles, take you to SEatac, I-5, and I-405
MP: 25.35
Location: SR 509 and SR 518, Burien
SR 518 exits west, heads to I-5 and I-405. Not signed as SR 518, though
 
N to SR 99, S to SR 99/SR 516
