Do you see traffic lights on the post?
Yes, there is a traffic light on the post.
    src        edge_attr  dst
0     0  to the right of   22
1     0  to the right of    8
2     0   to the left of   25
3     0   to the left of   24
4     1  to the right of   16
..  ...              ...  ...
79   25               by   23
80   25   to the left of   18
81   25  to the right of   24
82   25  to the right of    9
83   25  to the right of    0

[84 rows x 3 columns]