Which side are the cars on, the right or the left?
The cars are on the left of the image.
     src        edge_attr  dst
0      0  to the right of   44
1      0   to the left of   39
2      0  to the right of   66
3      0  to the right of    2
4      0   to the left of    7
..   ...              ...  ...
266   67  to the right of   16
267   67  to the right of   30
268   67  to the right of   58
269   67  to the right of   19
270   67   to the left of   26

[271 rows x 3 columns]