Are there bags or cars?
Yes, there is a bag.
     src        edge_attr  dst
0      0  to the right of    4
1      0   to the left of    8
2      0  to the right of   20
3      0   to the left of   22
4      1  to the right of   17
..   ...              ...  ...
149   31   to the left of   24
150   31   to the left of   10
151   31   to the left of    8
152   31  to the right of   16
153   31  to the right of   15

[154 rows x 3 columns]