Does the red bus appear to be driving or waiting?
The bus is driving.
    src        edge_attr  dst
0     0   to the left of   18
1     0   to the left of    6
2     1   to the left of   10
3     1  to the right of   18
4     1  to the right of    7
..  ...              ...  ...
82   18      in front of    3
83   19   to the left of    7
84   19   to the left of   17
85   20  to the right of    4
86   20   to the left of    9

[87 rows x 3 columns]