Are there both cars and buses in the image?
No, there is a bus but no cars.
     src        edge_attr  dst
0      0               on    6
1      0   to the left of    7
2      0   to the left of    1
3      0   to the left of   11
4      1               on    6
..   ...              ...  ...
130   26  to the right of   15
131   26  to the right of   18
132   26  to the right of   19
133   26  to the right of    3
134   26   to the left of   24

[135 rows x 3 columns]