A passenger poses for a photo at Dongqian Lake Station along the newly opened subway Line 4 in Ningbo, East China's Zhejiang province. [Photo/cnnb.com.cn]

The first train departs from both Cicheng town and Dongqian Lake stations at 6:00 am, while the last train departs from the two terminals at 10:00 pm and 10:10 pm respectively.

The time between trains ranges from 4 minutes 25 seconds to about 10 minutes, depending on traffic flow.

Starting from Dec 23, passengers will be able to purchase a one-way ticket by scanning QR codes on the automatic ticket machines.