BEIJING, Jan. 12 -- The total length of urban rail transit lines in operation across China has reached 10,165.7 km, official data showed on Friday.

As of December 2023, a total of 55 cities in the country operate 306 rail transit lines, according to the Ministry of Transport.

In December alone, 250.1 km of new lines were put into operation.

China's urban rail transit lines handled 2.67 billion passenger trips in December, growing 3.2 percent from the previous month and surging 34 percent from the average monthly amount in 2019.