With the north stretch of State Highway 509 running past southeast West Seattle, you might be wondering what you need to know about the tolling that starts tomorrow on the newly opened southern “expressway” stretch. The first mile is between I-5 and 24th Avenue South, so that is the only portion that will be tolled right now. The remaining 2 miles between 24th Avenue South and South 188th Street (the Normandy Park exit) won’t open until 2028 and that’s when tolling will begin in that section. Starting in 2028, anyone who drives south on SR 509 must exit at South 188th Street if they do not want to pay a toll. Toll rates for the new one-mile expressway, starting tomorrow, are listed here.