Chengdu Operation Support Base has been included in the feasibility study of sichuan-tibet railway Ya 'an-Linzhi section, covering an area of about 2,500 mu. Located in Dacao Village, Shouan Street, it includes railway freight yard (logistics base), security base, locomotive maintenance section and bus parking lot. The specific construction progress shall be organized and implemented according to the unified arrangement of the state. The supporting highway project in sichuan-tibet railway mainly serves the transportation of TBM and a large number of railway building materials during the construction of sichuan-tibet railway, and improves the traffic conditions along the route. The sichuan-tibet railway Supporting Highway Construction Promotion Office is headed by the leaders of the Bureau in charge of the Highway Bureau of the Sichuan Provincial Department of Transportation, and the main person in charge of the relevant offices is the deputy director. It also requires all member units to improve their political positions, implement their work responsibilities, coordinate and take the initiative in strict accordance with relevant requirements such as functional responsibilities and working mechanisms, ensure that responsibilities are in place, work arrangements are in place, and achieve results, and go all out to accelerate the promotion of supporting roads.