What is the sign on the intersection in front of the tree called?
The sign is a street sign.
     src       edge_attr  dst
0      0  to the left of   10
1      0  to the left of    9
2      0  to the left of   25
3      0  to the left of   19
4      0  to the left of    5
..   ...             ...  ...
145   29  to the left of   10
146   29  to the left of    4
147   29              on   26
148   29  to the left of   25
149   29  to the left of   27

[150 rows x 3 columns]