Street trees refer to trees planted in rows on both sides of roads or roads, most of which are equidistant.

(2) Classification of street trees

According to the road type, street trees are divided into three categories:

One is a street tree,

The second is the street trees on the expressway.

The third is the walkway tree.

Due to different road types, the cultivation, management and pruning of various street trees are also different. The height under the branches of roadside trees in streets and highways is generally 3-4m, and the height under the branches of sidewalks is generally 2m.