High Quality Content by WIKIPEDIA articles! The Taipei Metro Xiaobitan Branch Line is a high-capacity, elevated branch line of the Xindian (Sindian) Line (Green Line. Although it is a high-capacity line, only 1 train set (3 cars) is currently being used. The station itself is built inside the Xindian Depot. The branch line is 1.9 km (1.2 mi) long and has two stations.