Are there any trucks?
No, there are no trucks.
     src        edge_attr  dst
0      0  to the right of   24
1      0   to the left of   14
2      0  to the right of   26
3      0  to the right of    3
4      0  to the right of   11
..   ...              ...  ...
218   28   to the left of    6
219   28  to the right of   19
220   28   to the left of   18
221   28   to the left of   17
222   28   to the left of   14

[223 rows x 3 columns]