What are the detailed highway driving routes for returns and exits from SeaTac Rental Car Facility?

To navigate from the SeaTac Rental Car Facility to the highway, follow these detailed steps: First, take SR 518 West, which is approximately 1. 5 miles from the facility. Continue on SR 518 West until you reach SR 99 South/Pacific Hwy South. Merge onto SR 99 South, a major highway that will guide you towards the interstate. As you proceed on SR 99 South for about 2. 5 miles, you will reach the intersection with S 160th St. To access the I-5/I-405 on-ramps, exit onto S 160th St. The distance from SR 99 South to S 160th St is roughly 0. Once on S 160th St, follow the signs directing you to the on-ramps for I-5 North, I-5 South, I-405 North, or I-405 South, depending on your destination. The on-ramps are clearly marked, and the total distance from the rental car facility to the I-5/I-405 on-ramps is approximately 4. 8 miles, with an estimated drive time of 10-15 minutes under normal traffic conditions. Be aware that traffic around SeaTac can be heavy during peak hours, so plan accordingly.