Complex sentence: Further plans to connect the Shanghai Metro with the metro systems of Suzhou are under active review, with the first line connecting Shanghai Metro Line 11 and Suzhou Metro Line 3 projected to be completed in 2023.
Split into simpler sentences: Further plans to connect the Shanghai Metro with the metro systems of Suzhou are under active review. The first line connecting Shanghai Metro Line 11 and Suzhou Metro Line 3 is projected to be completed in 2023.