Rome–Naples high-speed railway line
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The Rome–Naples high-speed railway line is a link in the Italian high-speed rail network. It opened from Roma Termini to Gricignano di Aversa on 19 December 2005. The final 25 km from Gricignano to Napoli Centrale opened on 13 December 2009. When the line is completed trains will take 1 hour and 10 minutes between the two cities. The line is part of Corridor 1 of the European Union's Trans-European high-speed rail network, which connects Berlin and Palermo.
Construction of the line began in 1994. Between 2004 and 2005 a series of tests was carried out prior to the line being opened for commercial operations, to obtain approval for the line to be regularly operated at up to 300 km/h. During these tests an ETR 500 train achieved a speed of 347 km/h. These speeds were made possible by the line's 25 kV AC railway electrification system (rather than the traditional Italian use of 3 kV DC), and the new signaling, control and train protection system provided by the European Rail Traffic Management System/European Train Control System (ETCS). It was the first railway line in Italy to be electrified at 25 kV AC at 50 Hz and the first in the world to use ETCS Level 2 in normal rail operations.
The first 193 km of the line was brought into service on 19 December 2005. The new line begins near Roma Prenestina station (4.5 km from Roma Termini) and ends at Gricignano di Aversa, where a connecting line leads to the Rome-Naples via Formia line, which is used for the last 25 km to reach Napoli Centrale station. The line features three other interconnections that link with the historical Rome-Naples via Cassino line, near Anagni, Cassino and Caserta.
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