Complex sentence: The biggest change came with the coming of the North Midland Railway which passed through from 1840, with the opening of Duffield railway station Intially this was a short way further north the present one, and probably little more than a halt.
Split into simpler sentences: The biggest change came with the coming of the North Midland Railway which passed through from 1840, with the opening of Duffield railway station. Initially this was a short way further north the present one, and probably little more than a halt.