What vehicle is it?
The vehicle is a locomotive.
    src        edge_attr  dst
0     0  to the right of    6
1     1   to the left of   19
2     1  to the right of   13
3     2   to the left of    3
4     2  to the right of   13
..  ...              ...  ...
91   23  to the right of   22
92   23  to the right of   17
93   23      in front of   13
94   23  to the right of    8
95   23  to the right of    5

[96 rows x 3 columns]