Construction of Zhangye LRT Line S1 begins, China May 31, 2021 | Asia Pacific News The construction of Line S1, the first light rail transit (LRT) line in Zhangye, a city in Gansu Province, has commenced. This line will span 36.31 km and cover 13 stations (all at-grade). The project... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password