Are there buses on the street?
No, there is a car on the street.
    src        edge_attr  dst
0     0   to the left of   17
1     1               on    0
2     1   to the left of   17
3     2   to the left of   18
4     2   to the left of   10
..  ...              ...  ...
71   19   to the left of   21
72   21  to the right of    8
73   21  to the right of   19
74   22  to the right of   16
75   22  to the right of   13

[76 rows x 3 columns]