Complex sentence: The route has an interchange with I-20 (unsigned SR 402) near its midpoint, and the route serves to connect SR 223 and SR 232, which run parallel to each other on opposite sides of Interstate 20 in southern Columbia County.
Split into simpler sentences: The route has an interchange with I-20 (unsigned SR 402) near its midpoint. SR 388 serves to connect SR 223 and SR 232, which run parallel to each other on opposite sides of I-20 in southern Columbia County.