Overview
Line 4 (Tianjin Metro) is a metro line, opened on 28 December 2021[3], 20 km long[3], with 30 stations[3].
Concepts · concept_tianjin_metro_line_4
Line 4 (Tianjin Metro) is a metro line, opened on 28 December 2021, 20 km long, with 30 stations.
Line 4 (Tianjin Metro) is a metro line, opened on 28 December 2021[3], 20 km long[3], with 30 stations[3].