Transportation is a priority for the development of the national economy, and in 2015, China accelerated building a more complete transportation network, which also provided solid support for the growth of economic and social development.

Two parts of a railway bridge crossing Yellow River was successfully connected on Oct 16, 2015. The train crossing the bridge links the three cities of Hohhot, Jungar Banner and Ordos in Inner Mongolia autonomous region, and it is still under construction. [Photo/Xinhua]

The connecting parts of the Baoji-Lanzhou high-speed railway over Weihe River in Northwest China’s Gansu province, July 14, 2015. The whole railway line is expected to be completed in 2017.[Photo/Xinhua]

The construction site of a bridge crossing Ch’ao-pai River that runs through Beijing, Tianjin and Hebei province, Aug 27, 2015. The bridge is a key transportation project for the integration of the three regions.[Photo/Xinhua]

The construction site of a super bridge linking the Lianyungang-Yancheng Railway in Jiangsu province, July 25, 2015. This bridge is one of the national middle and long-term railway projects and began in December 2013.[Photo/Xinhua]

A high-speed train stops at the east station of Baoding city, Hebei province, Dec 28, 2015. The train was on its first run of the railway linking Tianjin and Baoding.[Photo/Xinhua]

A car passes through East Lake Tunnel in Wuhan city, Central China’s Hubei province, China’s longest undersea tunnel, which opened to traffic on Dec 28, 2015.[Photo/Xinhua]

An aerial view of the highway linking Maliuwan in Sichuan province and Zhaotong in Yunnan province, Dec 25, 2015. The highway greatly improved transportation conditions in Southwest China.[Photo/Xinhua]

Tourists look at a guide map of South China’s Hainan province on a high-speed train in Hainan, Dec 30, 2015, when the west part of the roundabout high-speed train of Hainan Island started running, linking to the east part that opened in December 2010.[Photo/Xinhua]