Binhai Mass Transit, the rail rapid transit project of Tianjin urban districts to Binhai new areas, also called Tianjin metro line 9, is China's longest urban light rail line. It opened on September 30, 2003, and began trial operation on March 28, 2004.

ACTEC undertookthe construction and maintenance of the public security 350 million wireless emergency command and communication system of Binhai Mass Transit.