Is there a bike on the road?
No, there is a car on the road.
    src        edge_attr  dst
0     0  to the right of    3
1     0  to the right of    8
2     0  to the right of   11
3     0   to the left of   14
4     0   to the left of    9
..  ...              ...  ...
69   16  to the right of   13
70   16  to the right of   15
71   16  to the right of    2
72   16   to the left of    8
73   16   to the left of    1

[74 rows x 3 columns]