Complex sentence: Nearby tube stations are Charing Cross, Piccadilly Circus and Oxford Circus; the latter being one of the busiest underground stations in London, and is where three main lines (Central, Bakerloo and Victoria) meet.
Split into simpler sentences: Nearby tube stations are Charing Cross, Piccadilly Circus and Oxford Circus. The latter is one of the busiest underground stations in London, and is where three main lines (Central, Bakerloo and Victoria) meet.