As of 2023, the longest high-speed railway line in Italy was the one connecting Florence and Rome, with a length of 254 kilometers. The railway line linking Rome to Naples was the second-longest route, counting 205 kilometers. High-speed lines in Italy were served by two trains, the privately owned Italo and the state-owned Frecciarossa.
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Trainline. (November 7, 2023). Length of the high-speed railway network in Italy as of 2023, by line (in kilometers) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 23, 2026, from /statistics/1048579/high-speed-railway-network-length-italy/
Trainline. "Length of the high-speed railway network in Italy as of 2023, by line (in kilometers)." Chart. November 7, 2023. ÌÇÐÄÆƽâ°æ. Accessed July 23, 2026. /statistics/1048579/high-speed-railway-network-length-italy/
Trainline. (2023). Length of the high-speed railway network in Italy as of 2023, by line (in kilometers). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 23, 2026. /statistics/1048579/high-speed-railway-network-length-italy/
Trainline. "Length of The High-speed Railway Network in Italy as of 2023, by Line (in Kilometers)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 7 Nov 2023, /statistics/1048579/high-speed-railway-network-length-italy/
Trainline, Length of the high-speed railway network in Italy as of 2023, by line (in kilometers) ÌÇÐÄÆƽâ°æ, /statistics/1048579/high-speed-railway-network-length-italy/ (last visited July 23, 2026)
Length of the high-speed railway network in Italy as of 2023, by line (in kilometers) [Graph], Trainline, November 7, 2023. [Online]. Available: /statistics/1048579/high-speed-railway-network-length-italy/
