Complex sentence: The CM&StP became the Chicago, Milwaukee, St. Paul and Pacific Railroad in 1928, and their approach trackage, shared with the PCC&StL, has since been acquired by Metra.
Split into simpler sentences: The CM&StP became the Chicago, Milwaukee, St. Paul and Pacific Railroad in 1928. Their approach trackage, shared with the PCC&StL, has since been acquired by Metra.