Are there both cars and buses in the image?
No, there is a bus but no cars.
    src        edge_attr  dst
0     0  to the right of    2
1     0  to the right of    1
2     0   to the left of    6
3     0  to the right of    4
4     1   to the left of    0
5     1  to the right of    5
6     1   to the left of    2
7     1   to the left of    7
8     2  to the right of    5
9     2  to the right of    1
10    2   to the left of    7
11    2   to the left of    0
12    4   to the left of    0
13    4   to the left of    7
14    5   to the left of    1
15    5   to the left of    7
16    5   to the left of    2
17    6  to the right of    7
18    6  to the right of    0
19    7  to the right of    1
20    7  to the right of    2
21    7  to the right of    4
22    7  to the right of    5
23    7   to the left of    6