High-speed G-series trains on the Shanghai to Tianshui route use the east–west corridor via Nanjing South, Xuzhou East, Zhengzhou East, and Xi’an North. The fastest Fuxing services (often CR400 on 350 km/h sections) run at 300–350 km/h (186–217 mph) between Shanghai–Zhengzhou–Xi’an, then continue on the Xi’an–Baoji South–Tianshui South section, which operates at up to 250 km/h (155 mph). Depending on stops and whether a change is required at Zhengzhou East or Xi’an North, the journey usually takes about 7.5 to 9 hours; a few through G trains run without a transfer and are nearer the faster end of that range. By comparison, classic Z/T/K overnight trains connect Shanghai (main station) with Tianshui (central station) on the conventional Longhai line at around 120–160 km/h (75–99 mph), taking roughly 18–22 hours with additional stops such as Nanjing, Xuzhou, Kaifeng, and Baoji. High-speed trains offer Second, First, and Business Class seating, power outlets, and trolley or dining-car service; conventional services provide seaters plus Hard/Soft Sleeper berths. Travelers seeking the shortest daytime ride typically select the G-series to Tianshui South, while a direct overnight option to the city station is available on the classic trains.