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In page High-speed rail:

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The earliest European high-speed railway to be built was the Italian Florence–Rome high-speed railway (also called "Direttissima") in 1977.[4] High-speed trains in Italy were developed during the 1960s. E444 locomotives were the first standard locomotives capable of 200 km/h (125 mph), while an ALe 601 electrical multiple unit (EMU) reached a speed of 240 km/h (150 mph) during a test. Other EMUs, such as the ETR 220, ETR 250 and ETR 300, were also updated for speeds up to 200 km/h (125 mph). The braking systems of cars were updated to match the increased speeds.[citation needed]