The street network as an element of urban and spatial planning of settlements forms the skeleton of the settlement and creates conditions for orientation in the general landscape. Roads should be traced not only as convenient roads but also for economical construction. In comparison to this important functional significance there is aesthetic visual quality of the roads. In the theory of park art, term composition means - arrangement of individual plants or combined with dead materials so as to form a harmonious whole subordinate to the artistic idea. The main theoretical works in park art are closely related to the principles of the general theory of composition.