Do you see both buses and cars?
Yes, there are both a bus and a car.
    src        edge_attr  dst
0     2  to the right of   22
1     2  to the right of    5
2     5   to the left of    7
3     5  to the right of   15
4     5   to the left of   14
..  ...              ...  ...
65   22   to the left of    9
66   22   to the left of   13
67   22   to the left of    5
68   23  to the right of   22
69   23  to the right of    5

[70 rows x 3 columns]