Complex sentence: In 1960 the crossing loop was extended for longer trains of up to and a short platform was provided on the loop road, then in 1976 centralised traffic control was provided on the line from Sunshine to Rockbank.
Split into simpler sentences: In 1960 the crossing loop was extended for longer trains of up to and a short platform was provided on the loop road. In 1976 centralised traffic control was provided on the line from Sunshine to Rockbank.