What is the vehicle on the street?
The vehicle is a bus.
    src        edge_attr  dst
0     1  to the right of   11
1     1  to the right of    9
2     1  to the right of   14
3     1   to the left of    8
4     1  to the right of    6
..  ...              ...  ...
62   17  to the right of   11
63   17  to the right of    7
64   17               of    1
65   18  to the right of   11
66   18  to the right of   16

[67 rows x 3 columns]