[5][needs update] On 22 October 2015, a fire broke out at the construction site of Donggang station.

[7] Line 1 is the first subway in China to tunnel under the Yellow River.

[8] The line averaged 230,800 passengers daily during October 2020, with the busiest station being North Square of Lanzhou West Railway Station followed by Xiguan and Lanzhou University.

[10] The fare price is distance based as following:[11] Trains run between 6:30 until 22:00.

The single-line operation time is about 45 minutes, giving an average travel speed of 34 kilometres per hour (21 mph).