What are the driving directions for returning a rental car to the SeaTac Rental Car Facility from major routes like Interstate 5, SR 518, and SR 509, including specific entrance lanes?

When returning your rental vehicle to the SeaTac Rental Car Facility, located at 3150 S 160th St, SeaTac, WA 98188, it is crucial to follow the specific route guides to ensure a smooth and timely drop-off, especially during peak travel hours. If you are arriving via Interstate 5 (I-5) from the north or south, take Exit 154A to merge onto SR 518 West toward Burien/Sea-Tac Airport. Stay on SR 518 West for approximately 1. 5 miles and take the International Boulevard (SR 99) exit. Turn right onto International Boulevard heading north, drive about 0. 5 miles, and then make a right turn onto S 160th St. The Rental Car Facility entrance will be on your right-hand side. For those arriving via SR 509 from the south, merge onto SR 518 East toward Sea-Tac Airport. After traveling about 2 miles, take the International Boulevard exit. At the traffic light, turn left onto International Boulevard, drive 0. 5 miles north, and turn right onto S 160th St. The entrance is a right-hand turn into the facility. For drivers already on SR 518 East or West, use the International Boulevard exit. Eastbound drivers turn left, and westbound drivers turn right onto International Boulevard, then proceed north for 0. 5 miles to S 160th St. Upon entering the facility grounds, follow the posted signs directing you to your specific rental company's return lane. The speed limit on the facility grounds is strictly 10 mph, so please drive cautiously and watch for pedestrians and shuttle buses.