Complex sentence: Most of the lines operated by the Victorian Railways were of, however the railways also operated up to five narrow gauge lines between 1898 and 1962, and a line between Albury and Melbourne from 1961.
Split into simpler sentences: Most of the lines operated by the Victorian Railways were of. However, the railways also operated up to five narrow gauge lines between 1898 and 1962, and a line between Albury and Melbourne from 1961.