Are there any cones on the road?
No, there is a school bus on the road.
     src        edge_attr  dst
0      2      in front of    7
1      2   to the left of    9
2      3   to the left of   22
3      4               of    7
4      4   to the left of    6
..   ...              ...  ...
130   21  to the right of   18
131   21  to the right of   17
132   21  to the right of   15
133   22  to the right of    8
134   22  to the right of    3

[135 rows x 3 columns]