Is that a train or a bus?
That is a bus.
    src        edge_attr  dst
0     0   to the left of   16
1     0   to the left of    3
2     1   to the left of   16
3     1   to the left of   23
4     1   to the left of   22
..  ...              ...  ...
92   24     parked along   25
93   24  to the right of   13
94   24  to the right of   20
95   24  to the right of   14
96   24  to the right of    1

[97 rows x 3 columns]