Hitachi Rail STS supplied electromechanical equipment for the line, including driverless technology and CBTC signaling.

The line includes the first elevated split platforms in the system at Zhonghe, Qiaohe, and Zhongyuan due to the narrowness of the available station area.

[13] Across the above ground section of the line, Emmanuelle Moureaux (a Tokyo based French architect and designer) spread distinctive bold colours across infrastructure – including steel beams and pillars, noise barriers, 13 stations and platforms, a bridge over the Tamsui River, and the exterior and interior design of the train.

[13][14] The platforms, walls and ceilings of Banqiao station are decorated by French artist Daniel Buren, using regular, contrasting coloured stripes.

[3][16] Services between Zhonghe and Banqiao were temporarily suspended from 3 April 2024 onwards due to the 2024 Hualien earthquake,[18] with the repair work expected to take one year to complete.