(a) Airport network (N=1,808, E=11,191)
(b) Bus network (N=12,272, E=19,584)
(c) Light rail network (N=166, E=184)
(d) Logistics network (N=80, E=80)
(e) Subway network (N=163, E=165)
(f) Tram network (N=420, E=489)
Figure 9: Graphical representations of the six transportation networks considered in this study, including both node-based (airport and logistics) and link-based networks (bus, light rail, subway, and tram).