What are the exact highway routes and entrance lane requirements for returning a rental car to the SeaTac Rental Car Facility from I-5, SR 518, SR 509, and International Blvd?

At a glance

To return to the SeaTac Rental Car Facility, follow specific highway lanes: from SR 518 West, take the far-right exit lane for the right-hand entrance; from SR 509 South, use Exit 24 and Air Cargo Rd for the left-hand entrance; from I-5, take SR 516 W to 24th Ave S; from International Blvd S, turn at S 176th St.