Complex sentence: In 1965, the segment of I-75 from "Malfunction Junction" to about Sligh Avenue was completed, and by 1967, the remaining gaps in I-4 and I-75 were filled and opened to traffic.
Split into simpler sentences: In 1965, the segment of I-75 from "Malfunction Junction" to about Sligh Avenue was completed. By 1967, the remaining gaps in I-4 and I-75 were filled and opened to traffic.