Where is the stop sign?
The stop sign is at the intersection.
    src        edge_attr  dst
0     0  to the right of   24
1     0   to the left of   18
2     0  to the right of   13
3     1   to the left of    2
4     1  to the right of   10
..  ...              ...  ...
89   24   to the left of   18
90   24   to the left of   15
91   24   to the left of    6
92   24   to the left of    0
93   24               at   23

[94 rows x 3 columns]