Line S3 (Chengdu Metro)
Line S3 of the Chengdu Metro, () is also known as Ziyang Line. It is an approved express rapid transit line in Chengdu. The line is 39.71 km long and connects Chengdu Tianfu International Airport airport town area to Ziyang. The line will use 160 km/h Type-A trains. The investment is 14.93 billion CNY. The line will have both underground and ground level sections. It also passes through Tuo River between 1st Tuo River Bridge and 3rd Tuo River Bridge. Total investment for the line is 14.93 billion CNY. 40% is paid by Chengdu; relocation  fee in Ziyang is paid by Ziyang Government; 54.1% left is mortgage from bank. This project takes 50 months, marking the opening date at 2024. Trains and Operation. The line uses Type-A Trains operating at 160 km/h speed and powered by 25kV AC overhead lines. The whole line will use 4-car Trains in opening and foreseeable future, with 11 Trains (44 Cars) planning to be purchased.