Introduction: It is a three-dimensional integrated management and control solution of "view, management, and prevention" for the government's road and transportation administration departments, using a new generation of digital twin technology to empower digital innovative applications of facilities and ensure the safety of bridge operation. The system can realize real-time "cloud" management, including universe awareness, intelligent alarm, and cross-department collaboration to improve disposal efficiency, visual control to improve the quality of information communication, optimized deployment of predictive emergency resources to shorten the time of emergency response, and management and maintenance of facilities throughout the life cycle based on state awareness to improve the service quality of facilities. Launched in February 2022, the system was immediately followed and reported by CCTV News and other media. In June 2022, Shanghai Media Group made a documentary about the system on DRAGON TV as an excellent case of improving the modernization of urban governance. In the future, "Cloud Road Center" will continue to upgrade and evolve. On the basis of 1.0, it will actively expand the application scenarios of digital passenger transport supervision and resident travel services, and gradually form a "smart brain" covering the four core areas of road facilities management, transportation service management, dynamic safety supervision and static traffic supervision, so as to enhance the modernization of road transport governance. 

The platform is a comprehensive urban grid management system integrating road network facility management, emergency resource management, maintenance plan management, operation monitoring management and emergency management, so as to control the operation status of road network facilities in megacities in real time and comprehensively, and greatly improve the operation and maintenance service level of urban transportation infrastructure. The platform has digitized the documentation of 1,900 km of road, bridge and tunnel infrastructure, deployed the fine management of 10-meter-level road network, managed 5000+ users, 2000+ suppliers, 2000+ professional vehicles and 200+ maintenance bases with mature big data management and decision-making mechanism, processed 5TB of data annually, received 200,000 work orders and handled 100,000 incidents. The data accumulation and management mode has been continuously iterated and optimized. The overall control of urban operation safety, operation efficiency and facility safety state has been improved, the human cost expenditure has been greatly reduced, the management resources and cost input have been optimized, and the digital transformation and high-quality development of urban operation management have been supported.

It is an intelligent operation and maintenance management platform for transportation network infrastructure for transportation supervision, operation and maintenance departments. It mainly serves the construction, operation and management of "six horizontal and eight vertical" expressway network in Shaoxing, providing facilities and equipment asset management, maintenance and repair business management, maintenance decision management, and development and maintenance of operation and maintenance APP by a series of intelligent infrastructure operation and maintenance integrated service solutions such as compilation of digital operation and maintenance guidelines, deployment of intelligent operation management platform, and intelligent analysis of operation and maintenance big data. The platform has standardized and normalized the operation and maintenance of infrastructure, continuously precipitated effective data from unified standard data and extracted reproducible and generalizable data models. It has effectively assisted operation and maintenance personnel in special research and analysis, realized data-assisted decision-making based on facility safety and operation and maintenance safety supervision by connecting 440 Internet of Things sensors, and improved the emergency command ability and road management efficiency.

It is the first component-level water facility and equipment management platform based on BIM+GIS technology, which mainly includes functional modules such as monitoring network, pipeline operation and maintenance, data analysis, hydraulic model, daily dispatching, BIM+GIS, water balance, facility and equipment management and emergency command. It can effectively identify and predict the bottleneck of urban drainage system and its possible problems and risks, and provide professional analysis and management of water pipelines, water quality, leakage, etc. Almighty hard core of refined management: The digital city twin base formed by BIM is adopted to form a visual and component-level digital asset operation and management mechanism, which provides a digital and information foundation for the integration of planning, construction and management in the field of sewage engineering in Jiaxing. Combination of virtual and real daily maintenance: Based on MR mixed reality management platform, inspection personnel can inspect through mobile terminal inspection APP, realizing the combination of "virtuality" and "reality" between BIM model of underground pipelines and inspection and maintenance site.

Shanghai rail transit airport link line is 68.6km in length. The construction management quality and efficiency of the airport link line project can be ensured in an all-round way by the construction management platform + smart site platform. Based on the company's own BIM consulting + engineering construction information + system integration solution, the construction management platform of the project is to integrate the digital twin concept into the site safety, quality and schedule management to realize the digitalization of engineering management and the visualization of construction technology. The smart site platform is based on IOT technology to realize fine management of personnel and environment and minimize blind spots in safety management. During the implementation of the project, the company, guided by operation and maintenance, has introduced GIS+BIM engine with independent intellectual property rights, combined with UAV tilting photography, virtual reality, Internet of Things and other information technologies, comprehensively implemented BIM application technology in Shanghai railway, thereby building the municipal railway standardized industrial system, and getting through the whole life cycle data stream of "planning-design-construction-operation" of the project.

Intelligent transportation control platform of Foshan 1st Ring Expressway is a traffic signal control platform developed for local traffic signal timing optimization centers based on the regional coordination control theory. By optimizing traffic control and intelligent operation and maintenance management, it is to improve traffic efficiency, ensure traffic safety and establish a service guarantee system for citizens' travel and urban traffic management. The platform mainly forms optimization schemes for single point, main line and regional traffic signal control through the analysis and calculation of the urban traffic network on the whole time, whole area and whole amount, and makes real-time evaluation and feedback on the optimization effect of the schemes, forming optimization suggestions for traffic control to ensure the optimal effect of regional traffic control. In addition, with intelligent operation and maintenance management and other functions, it can provide real combat business linkage for traffic management business scenarios, such as real-time supervision of key vehicles, optimization of traffic operation management, intelligent management and control of events and alarms, monitoring and analysis of equipment faults and abnormalities.

Integrated tunnel monitoring system of Shibo Avenue is an integrated intelligent management and maintenance platform developed for the needs of intelligent management and maintenance of road facilities. According to the facility group/facility operation management characteristics and requirements, the platform can customize the whole set of operation management scheme. In the multi-dimensional integrated management mode of "management, operation and maintenance, monitoring, control, command and dispatch", service functions such as road condition monitoring, traffic operation management, mechanical and electrical operation control optimization, emergency management coordination, operation and maintenance management and public information services are integrated, and integrated tunnel monitoring solutions around the closed-loop of "sensing, warning, decision, control and analysis" business are provided. (1) Guided by the management of facility fixed assets, the platform monitors, controls and manages the operation and fault treatment of various types of equipment in the tunnel, processes various state data and operation data in the tunnel, and realizes health diagnosis, pre-maintenance and other functions through the efficient collection of IOT data, data aggregation and environmental condition perception. (2) Guided by the comprehensive tunnel management and control, it improves the comprehensive ability of equipment control, event warning and process management, realizes the operation simulation and emulation of the system, provides operation suggestions and optimization schemes, takes charge of rescue command and provides emergency plans in emergency situations such as accidents and fires.

It is an intelligent transportation control platform by unified planning, management and operation in the field of mass transportation for transportation coordination management needs of joint logistic support and joint action. By the analysis and calculation of the urban traffic network on the whole time, whole area and whole amount, it provides integrated transportation management services to improve traffic efficiency, ensure traffic safety and establish a service guarantee system for citizens' travel and urban traffic management

(1) With comprehensive, scientific and reasonable traffic information perception system, it has standardized the requirements and standards for the construction of traffic facilities and equipment, guided the reconstruction of existing roads and intersections, standardized and intelligent construction of new roads and intersections, improved the comfort, convenience and safety of residents, and provided real-time and accurate data for the traffic signal timing optimization center and traffic control platform.

(2) Through automatic collection and active discovery, it has coordinated and optimized the spatial and temporal resources of urban traffic, achieved scientific and precise management and control, and assisted in the calculation of road network traffic operation indicators and the prediction of traffic operation conditions in holidays.

(3) It has integrated traffic management data of public security departments by the data aggregation center, helping multi-department business collaboration in the traffic field, and providing services such as real-time supervision of key vehicles, optimization of traffic operation management, intelligent management and control of events and alarms, monitoring and analysis of equipment faults and abnormalities.