How do I navigate to and from the SeaTac Rental Car Facility via SR-518 and SR-99?

Detailed answer

To navigate to the SeaTac Rental Car Facility from SR-99 South, follow these steps: 1. Stay in the right-hand lane as you approach the SR-518 East exit (approximately 1.5 miles from the facility). 2. Take the SR-518 East exit towards Seattle/International Blvd (exit 3B). 3. Merge onto SR-518 East and continue for about 1.2 miles. 4. Take the S 160th St exit (exit 3) and follow signs directing you to the Rental Car Facility. 5. Arrive at the facility after approximately 0.7 miles. To exit the facility towards I-5/I-405, follow these steps: 1. Depart the facility and head east on Rental Car Rd towards S 160th St. 2. Turn left onto S 160th St and continue for about 0.5 miles. 3. Merge onto SR-518 West and continue for approximately 1.2 miles. 4. Take the SR-99 North exit towards Seattle/I-5 (exit 3A). 5. Merge onto SR-99 North and continue for about 0.8 miles. 6. Take the exit towards I-5 North/I-405 North (exit 158A or 158B) and follow signs to your desired route. The entire journey is approximately 4.2 miles and takes around 10-15 minutes depending on traffic conditions.