Where is that sign?
The sign is on the street.
    src        edge_attr  dst
0     0   to the left of    4
1     1   to the left of   19
2     2               on    4
3     2   to the left of    5
4     3   to the left of    5
..  ...              ...  ...
73   18  to the right of   14
74   18  to the right of    8
75   18               on    7
76   18          next to    8
77   19  to the right of    1

[78 rows x 3 columns]