Impact of UAV Delivery on Sustainability and Costs under Traffic Restrictions

Figure 3

Routings under different circumstances: (a) routing of only vehicle under no traffic restriction; (b) routing of only vehicle under the first kind of traffic restriction; (c) routing of only vehicle under the second kind of traffic restriction; (d) routing of vehicle with UAV under two kinds of traffic restrictions.

(a)

(b)

(c)

(d)