According to the statistics of the Ministry of Public Security, by the end of 2008, China had nearly 170 million motor vehicles, including 38.5 million passenger vehicles and 11.25 million freight vehicles. According to statistics, the overall sales volume of domestic cars in the first half of 2009 has reached nearly 6 million, more than 1 million more than that of the American car market. China has surpassed the United States and become the largest car market in the world. The increase of vehicles has increased the burden of road transport, and the potential safety hazards of road transport have become increasingly serious. According to statistics, since 1987, the number of road traffic deaths in China has been the highest in the world. In order to further strengthen road traffic management and standardize road transport operation, only by monitoring road transport vehicles in real time and taking preventive measures can we reduce road traffic accidents and ensure the safety of people's lives and property.

　　With the development of communication technologies such as GPRS and CDMA and the Internet, and the wide application of GPS and GIS (Geographic Information System) technologies, GPS monitoring equipment came into being. The emergence of GPS monitoring equipment has solved the current traffic authorities' demand for real-time vehicle monitoring.

　　The combination of GPS, GPRS, CDMA and other wireless communication technologies makes transport vehicles in different spaces transparent and controllable. The dispatcher can dispatch online vehicles in real time and monitor dynamically through the computer terminal of the dispatching center, and can check and master the vehicle condition, road condition, running position, speed, direction and other information of the operating vehicles at any time. If the vehicle's running track is inconsistent with the preset route during the driving process, the GPS device will immediately alarm, and the dispatcher can also timely send dispatching instructions such as adjusting the speed and driving according to the route to the online vehicles, So as to realize the real vehicle position real-time scheduling monitoring function.

　　Through the application of GPS system in transportation enterprises, the business operation of the whole enterprise has become transparent, and the situation that the accident handling was not clearly defined and the responsibility could not be implemented in the past has been said goodbye. Through the vehicle history track playback function, the vehicle driving information can be analyzed afterwards, so as to provide data support for leaders' analysis and decision-making.

　　The GPS monitoring and dispatching system enriches and improves the technical means to grasp the vehicle operation status in real time, improves the management level of transportation enterprises, improves the flexibility and adaptability of dispatching management, and also improves the effectiveness and timeliness of emergency information processing such as accidents. Informatization means replace manual work, which frees the operators from heavy manual work, avoids the occurrence of errors easily caused by manual work, simplifies the dispatcher's dispatching process, facilitates the contact between the driver and the dispatching center, and improves the safety of driving.

　　Through the real-time online scheduling of vehicles, the utilization rate of vehicles is improved, the idling rate of vehicles is reduced, the transportation cost of enterprises is reduced, the traffic accidents are reduced, and the road traffic pressure is effectively relieved.

　　From the above analysis, we can see that the GPS monitoring system has solved the problem of road safety, and road traffic safety has also brought demand to the GPS industry

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