Are there either buses or cars in the image?
Yes, there is a bus.
    src        edge_attr  dst
0     0  to the right of    2
1     0  to the right of    4
2     0            below    3
3     1  to the right of    3
4     2   to the left of    0
5     2   to the left of    4
6     2   to the left of   12
7     3   to the left of    1
8     4  to the right of    2
9     4   to the left of    0
10    4   to the left of    9
11    6  to the right of    8
12    6   to the left of    9
13    8   to the left of    6
14    9          next to   15
15    9  to the right of    6
16    9  to the right of   12
17    9  to the right of    4
18   10   to the left of   15
19   10   to the left of   14
20   11   to the left of   14
21   11   to the left of   15
22   12  to the right of    2
23   12   to the left of    9
24   13   to the left of   15
25   13   to the left of   14
26   14  to the right of   11
27   14  to the right of   10
28   14  to the right of   13
29   15             near    9
30   15  to the right of   11
31   15        parked by   14
32   15               on    7
33   15  to the right of   13
34   15  to the right of   10