@@Jason-xo9hh Laos-China Railway, D88 average speed Vientiane to Vang Vieng 123 km duration 52 min speed=123*60/52=140.9 km/h (รางที่ออกแบบไว้250กม/ชม.) Vang Vieng to Luang Prabang 115 km duration 50 min speed=115*60/50=138 km/h Luang Prabang to Muang Xai 101 km duration 44 min speed=101*60/44= 137.7 km/h (2 station) Muang Xai to Boten 70km duration 31 min speed= 70*60/31=135.5 km/h (2 station) Mohan to Sibsongbanna 137 km duration 59 min speed=137*60/59=139.32 km/h Sibsongbanna to Puer 94 km duration 40 min speed=94*60/40=141 km/h Puer to Yuxi 267 km duration 112 min speed=267*60/112=143.04km/h Yuxi to Kunming South 79 km duration 38 min speed=79*60/38=124.736 km/h(รางที่ออกแบบไว้200กม/ชม.) Vientiane to Kunming South 996 km
