What is the sign on?
The sign is on the pole.
     src        edge_attr  dst
0      0  to the right of   26
1      0  to the right of   19
2      0  to the right of   16
3      0   to the left of   24
4      0  to the right of   20
..   ...              ...  ...
150   26  to the right of    1
151   26  to the right of   21
152   26   to the left of   20
153   26   to the left of    0
154   26               on   10

[155 rows x 3 columns]