Original sentence: In later years the Passante was electrified with overhead line, a new station was opened at Cavalleggeri d'Aosta and the station at Piazza Garibaldi (beneath Napoli Centrale) was rebuilt.The entire line was double track and electrified with the standard Italian Railways 3kV DC Overhead Lines
Edited sentence: In later years the Passante was electrified with standard Italian Railways 3kV DC Overhead Lines[, a new station was opened at Cavalleggeri d'Aosta and the station at Piazza Garibaldi (beneath Napoli Centrale) was rebuilt.The entire line was double track and electrified with third rail