Track-laying construction for the Chengdu–Dazhou–Chongqing High-Speed Railway has commenced.

The commencement of track-laying construction on the Chengdu–Dazhou–Chongqing High-Speed Railway marks a new advance in the construction of China's "Eight Vertical and Eight Horizontal" high-speed railway network.

Why it matters. The progress of high-speed rail construction affects transportation efficiency and regional economic development.