Are there both cars and buses in the image?
Yes, there are both a bus and a car.
    src        edge_attr  dst
0     0  to the right of   11
1     0  to the right of    7
2     0  to the right of    4
3     0  to the right of    2
4     0  to the right of    6
5     0  to the right of   13
6     1  to the right of   12
7     2  to the right of   10
8     2   to the left of    4
9     2   to the left of    0
10    2  to the right of    7
11    2  to the right of    6
12    4   to the left of    0
13    4   to the left of    9
14    4  to the right of    2
15    4  to the right of    6
16    5  to the right of   11
17    5  to the right of   13
18    6   to the left of    4
19    6   to the left of    2
20    6   to the left of    0
21    7   to the left of    2
22    7   to the left of    9
23    7   to the left of    0
24    9  to the right of   13
25    9  to the right of    4
26    9  to the right of    7
27   10   to the left of    2
28   11   to the left of    5
29   11   to the left of    0
30   12   to the left of    1
31   13   to the left of    0
32   13   to the left of    9
33   13   to the left of    5