1. Install the transportation vehicle positioning management system. You can manage vehicles that don't follow the line and check the running situation of vehicles. Some systems can be accurate to 10-20m. For the lines that have been set, there is an alarm function. There are many softwares in this field, and there are specialized sales companies. Unicom, telecom and mobile operators also carry out this kind of business. You can find a unit with the right price to do it.

2. Regularly adjust the vehicle fuel consumption assessment indicators for 100 kilometers. If it is adjusted once a year, the mileage will be counted every month, the fuel consumption of vehicles will be calculated, and rewards and punishments will be given according to enterprise regulations. You can set up the first prize of annual saving, and reward the "king of saving" to constantly refresh the fuel consumption index, reduce costs and prevent fuel consumption.

3. For the company's official vehicles, passengers can confirm the driver's service by filling in the driving record card, which includes both the supervision of the service and the supervision of the driver's code of conduct.

4. Use the gas card of the gas station. It is also a good way to implement fixed-point and brand refueling.