Brief introduction of the project: The maintenance section of Xi'an large - scale road maintenance machinery is located at 2km west of Xi'an North Railway Station in the west of the North Third Ring Road. It is mainly responsible for the mechanization of large - scale maintenance machinery and the comprehensive maintenance of the passenger line. Inspection, bridge, tunnel inspection work, and participate in other railway bureaus and railway companies mechanized construction tasks. The total investment of the project is 150 million yuan, with 47,500 square meters of construction area.