1. The best standard for the visibility of the gas station is that you can see the main sign and the edge of the canopy 250 meters before entering the modern gas station.

2. The width of the front edge of the petrol station is finally not less than 60 meters, so that the owner of the approaching car will have a certain distance to see the entrance of the petrol station, and it is easier to enter and leave the petrol station.

3. Traffic flow is an important factor in determining the sales of gas stations. The absolute level of traffic volume is not the only indicator for predicting the sales of gas stations. At the same time, the expected rate of vehicle pits must be determined.

4. If there are no positive factors such as residential buildings, industrial areas, and traffic generators in this area, the expected sales of gas stations will be affected. This level of business district is the key to determining the sales of petrol stations.