What is the impact on the local economy after the opening of the first extra-long tunnel in Kunming section of Yunnan Sanqing Expressway? Firstly, it will promote the cooperation and exchange of business and trade; secondly, it will improve the work and production efficiency of the society; thirdly, it will attract more investors to visit and invest in the corresponding cities; thirdly, it will better develop the local tourism industry in order to build a better city in the new era. It is necessary to elaborate and analyze the development of local economy after the opening of the first extra-long tunnel in Kunming section of Yunnan Sanqing Expressway from the following four aspects.

1. Promoted business cooperation and exchange?

The first is to promote cooperation and exchanges in business and trade. For commercial trade, it is often achieved through the construction of some expressways or railways, which can strengthen exchanges and cooperation between people.

Second, improve social work and production efficiency?

Secondly, it improves the productivity of society. For society, if their productivity is improved, it will be very beneficial to their long-term development and can improve the economic benefits of many commercial systems.

Third, can we attract more investors to visit and invest in the corresponding cities?

In addition, it can attract more investors to visit and invest in the corresponding cities. For some investors, when the distribution lines of the corresponding urban road network are more developed, they will think that it is more appropriate for cities to build some industrial chain factories.

Fourthly, we can better develop the local tourism to build a better city appearance in the new era?

In addition, it can better develop local tourism and build a better city appearance in the new era, which will increase economic income for many local farmers and friends or some small individual industrial and commercial households.

The development principle that Yunnan provincial government should adhere to;

We should always adhere to long-term developmentalism.