Complex sentence: Line 2 crosses the city of Naples from East to West direction, from "Pozzuoli" to "Gianturco" and is being extended to "San Giovanni a Teduccio" on the eastern periphery of the city.
Split into simpler sentences: Line 2 crosses the city of Naples from East to West direction, from "Pozzuoli" to "Gianturco". It is being extended to "San Giovanni a Teduccio" on the eastern periphery of the city.