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Eight vertical (north-south) HSR corridors and constituent lines Coastal corridor (沿海通道) - 200–350 km/h - ? km Beijing–Shanghai corridor - 350 km/h - 1,433 km  Beijing–Guangzhou–Shenzhen–Hong Kong High-Speed Railway - 350 km/h - 2,229 km  Hangzhou–Fuzhou–Shenzhen High-Speed Railway - 350–250 km/h - 1,495 km Eight horizontal (east-west) HSR corridors and constituent lines Qingdao–Taiyuan High-Speed Railway - 250 km/h - 873 km Xuzhou–Lanzhou High-Speed Railway - 350 km/h - 1,363 km  Shanghai–Wuhan–Chengdu High-Speed Railway - 350–200 km/h - 2,078 km  Shanghai–Kunming High-Speed Railway - 350 km/h - 2,066 km