Through studying the relation between urban land and layout of road network, the influences of road layout and road span on the density of road network are discussed.

通过研究道路网布局与城市用地关系，探讨道路布局与道路间距对道路网密度的共同影响。

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Each car starts with a certain position and speed, and the road thus has a particular density of cars that changes as they move along, and as new cars are injected from a junction slip-road.

ECONOMIST: Traffic management: Desynchronised | The