4.2.2. Path Length

The shortest path represents a path from one node to another with the fewest edges. The average shortest path is the average of the shortest paths between all the nodes in the network. In the network model based on the adjacent site, it reflects an average number of sites between any two stations in the bus network, an elementary indicator for evaluating the convenience of the bus network model. After calculation, the average path length *l* is 28.455, the distance-based cohesion is 0.035, and the distance-weighed fragmentation is 0.965, which means that the degree of isolation between nodes is higher. Xi'an residents take an average of 28 stations per one trip.
