19/7/2018 · High-speed trains can generally reach 300–350 km/h (190–220 mph). On mixed-use HSR lines, passenger train service can attain peak speeds of 200–250 km/h (120–160 mph). China’s most profitable high-speed rail line, reporting 6.6 billion yuan (over $1 billion) in net operational profit in 2015, connects Beijing to Shanghai, two major