What vehicle is it?
The vehicle is a bus.
    src        edge_attr  dst
0     1     covered with    4
1     2   to the left of   13
2     2   to the left of   19
3     2   to the left of   10
4     3   to the left of    8
..  ...              ...  ...
57   19  to the right of   20
58   19  to the right of   16
59   19   to the left of   11
60   20   to the left of   19
61   20   to the left of   13

[62 rows x 3 columns]