What kind of vehicle is it?
The vehicle is an ambulance.
    src        edge_attr  dst
0     0   to the left of   14
1     0   to the left of    5
2     0  to the right of   19
3     0   to the left of   20
4     0   to the left of   16
..  ...              ...  ...
93   20  to the right of    8
94   20   to the left of   16
95   21   to the left of   17
96   21   to the left of   16
97   21               on    9

[98 rows x 3 columns]