Ground-Air Traffic Congestion Propagation Model Based on Hierarchical Control Interdependent Network

Figure 8

Temporal density-speed diagram of taxiing traffic flow in AS of pudong on 12/15/2019: (a) PretTTD-PoldTTD-PretTS-PoldTS-time relationship; (b) PretTTD-PretTS-time relationship; (c) PoldTTD-PoldTS-time relationship.

(a)

(b)

(c)