Complex sentence: On the edge of Coralville is an interchange with US 218 and Iowa 27, the Avenue of the Saints highway, that also represents the beginning of I-380, which heads north along US 218 and Iowa 27 towards Cedar Rapids and Waterloo.
Split into simpler sentences: On the edge of Coralville is an interchange with US 218 and Iowa 27. This interchange also represents the beginning of I-380, which heads north along US 218 and Iowa 27 towards Cedar Rapids and Waterloo.