Are there both cars and buses in the picture?
No, there is a bus but no cars.
    src        edge_attr  dst
0     0   to the left of    7
1     0  to the right of   21
2     0  to the right of   14
3     0   to the left of    3
4     0  to the right of   23
..  ...              ...  ...
73   23   to the left of   12
74   23   to the left of    0
75   23   to the left of    4
76   24  to the right of   11
77   25  to the right of   11

[78 rows x 3 columns]