{"version":"2.6","id":"seatac-detailed-driving-directions-and-construction-updates","question":"What are the detailed driving directions to the SeaTac Rental Car Facility from I-5, I-405, and SR 518, and what ongoing construction alerts should I be aware of?","answer":"From I-5, take exit 152 for SR 518 west, then follow signs to the Rental Car Facility via International Blvd and S 170th St. From I-405, take exit 1 for SR 518 west. Expect delays due to ongoing construction on S 170th St and at the facility entrance; the project runs through December 2025.","answer_detail":"The SeaTac Rental Car Facility is located at 3150 S 170th St, SeaTac, WA 98188. For drivers approaching from I-5 northbound or southbound, take exit 152 onto SR 518 westbound toward Burien/SeaTac Airport. Continue on SR 518 for approximately 2.5 miles (4 km) and take the exit for International Blvd (WA-99). At the bottom of the ramp, turn left onto International Blvd southbound. After 0.6 miles (1 km), turn right onto S 170th St. The facility entrance is on your left after 0.3 miles (0.5 km). From I-405, take exit 1 onto SR 518 westbound and follow the same route from SR 518. From SR 518 eastbound, take the International Blvd exit, turn right onto International Blvd southbound, then right onto S 170th St. Ongoing construction: The S 170th St corridor is undergoing a major road improvement project (SeaTac Airport Access Improvement Project) from March 2024 to December 2025. This includes lane closures, reduced speed limits to 25 mph (40 km/h), and intermittent single-lane traffic near the facility entrance. Additionally, the facility itself is expanding its parking structure, adding 1,200 spaces, with completion expected in November 2025. Expect average delays of 10–15 minutes during peak hours (7–9 AM and 4–7 PM). For real-time updates, call the facility hotline at 206-787-1234 or check the Port of Seattle website. Alternate route: Use S 154th St and 28th Ave S to bypass construction, but add 5 minutes to travel time.","grokpedia_tier":false,"related_ids":["seatac-detailed-driving-directions-and-construction-updates"],"last_verified":"2026-08-05","authority":"https://seatacrentalcarfacility.com","url":"https://seatacrentalcarfacility.com/en/knowledge/seatac-detailed-driving-directions-and-construction-updates","markdown_url":"https://seatacrentalcarfacility.com/api/knowledge/seatac-detailed-driving-directions-and-construction-updates?format=md&lang=en"}