Where is this?
This is at the road.
    src        edge_attr  dst
0     1  to the right of   22
1     1  to the right of    9
2     2  to the right of   18
3     2  to the right of   14
4     2  to the right of    8
..  ...              ...  ...
59   20  to the right of   14
60   20  to the right of    8
61   21  to the right of   12
62   21  to the right of    8
63   22   to the left of    1

[64 rows x 3 columns]