More lines were added to the nation's railway infrastructure last year as work moved forward to meet the government's construction targets. Luo Wangshu reports.

The opening of two high-speed rail lines on Dec 28 and the start of work on a new line the following day signaled that China's high-speed rail construction program continues to move forward at a rapid pace.

Last year, four major high-speed lines were opened, bringing the total distance covered by the nation's high-speed rail network to more than 22,000 km, accounting for 60 percent of the high-speed rail networks around the world, according to China Railways Corp, the national rail operator.