Are there either any white buses or trucks in the picture?
Yes, there is a white bus.
    src        edge_attr  dst
0     0  to the right of    4
1     1   on the side of    6
2     1  to the right of   12
3     4   to the left of    0
4     5  to the right of   13
5     5           inside    6
6     7  to the right of   12
7     7  to the right of   13
8     8        on top of   10
9     8             near   10
10    9  to the right of   11
11   10          next to    8
12   10        on top of   10
13   11   to the left of    9
14   12   to the left of    7
15   12   to the left of    1
16   13           inside    6
17   13   to the left of    5
18   13   to the left of    7