Complex sentence: US 35 overlaps I-69, passing through an interchange with SR 26, to SR 22, where US 35 leaves I-69 and heads west on SR 22 to travel through the cities of Gas City and Greentown.
Split into simpler sentences: US 35 overlaps I-69, passing through an interchange with SR 26, to SR 22. Where US 35 leaves I-69 and heads west on SR 22 and travels through the cities of Gas City and Greentown.