Are there any vehicles on the road?
No, there is a stroller on the road.
     src        edge_attr  dst
0      0   to the left of   26
1      2  to the right of    8
2      2          wearing    4
3      2  to the right of   18
4      2  to the right of   15
..   ...              ...  ...
97    26   to the left of    3
98    26   to the left of    2
99    26   to the left of    5
100   26   to the left of    4
101   26  to the right of    8

[102 rows x 3 columns]