On which side of the image are the cars?
The cars are on the left of the image.
     src        edge_attr  dst
0      0   to the left of   22
1      0  to the right of   23
2      0   to the left of   30
3      0  to the right of   25
4      0  to the right of   24
..   ...              ...  ...
298   31  to the right of   23
299   31  to the right of   26
300   31  to the right of   25
301   31   to the left of   30
302   31   to the left of   29

[303 rows x 3 columns]