How is the vehicle called?
The vehicle is a van.
    src        edge_attr  dst
0     0  to the right of    6
1     0  to the right of    5
2     0  to the right of    9
3     0  to the right of    8
4     1   to the left of   21
..  ...              ...  ...
68   19   to the left of   18
69   20   to the left of   19
70   21  to the right of    1
71   21  to the right of   16
72   21  to the right of   17

[73 rows x 3 columns]