The
Tianjin Metro is the current
rapid transit system in the city of
Tianjin, which was the second city (after Beijing) in China to operate a subway system. Opened in 1984, the system now has 4 operating lines and 86 stations spanning over a total of 132.4 km. The lines are jointly operated by two rapid transit companies, namely the
Tianjin Metro Group Co. Ltd and the
Binhai Mass Transit Development Co. Ltd. The former mainly operates lines in the downtown, while the latter operates lines that serve the
Binhai New Area and
TEDA.