The YZ T1 (Laoguanli - Dinghaiyuan) is a tram line with a total length of 13.25 kilometers and a total of 15 stations, all of which are above the ground. On December 31, the section from Quzhuang to Dinghaiyuan was open, with a length of 11.9 kilometers and a total of 14 stations. The opening of Laoguanli Station was postponed. The hubs of the YZ T1, light rail Yizhuang Line, and 12 bus lines in the BDA make the transfer easy and connect the four major functional areas of the BDA, namely the Core Area, Hexi Area, Lunan Area and Ludong Area. The possibility of connecting with the planned Line S6 is reserved.