山西中南部铁路

山西中南部铁路通道是我国第一条按30吨轴重设计施工的重载铁路。中交二公局承建的山西中南部铁路通道ZNTJ-17标正线长120.247公里，主要包括路基、桥梁、隧道、站场，线路迁改、管线迁改及防护、通信、信号及信息、电力及电力牵引供电等。

The railway passage of South Central Shanxi Railway is the first heavy-haul railway designed and constructed according to the 30-ton axle load in China. The ZNTJ-17 main railway line of South Central Shanxi Railway undertaken by CCCC Second Highway Engineering Co., Ltd., covers 120.247km in length, and mainly includes subgrade, bridge, tunnel, station, line relocation, pipeline relocation and protection, communication, signal and information, electric power and traction power supply, etc.