Complex sentence: After that, there are no more major intersections until 161 reaches Worthington, as it meets SR 315 in a diamond interchange, and US 23 at an at-grade intersection.
Split into simpler sentences: After that, there are no more major intersections until 161 reaches Worthington. In Worthington, it meets SR 315 in a diamond interchange, and US 23 at an at-grade intersection.