Is there a bus on the street?
Yes, there is a bus on the street.
     src        edge_attr  dst
0      0  to the right of   20
1      0  to the right of   19
2      0   to the left of   30
3      1   to the left of    3
4      1   to the left of    2
..   ...              ...  ...
140   31  to the right of    1
141   31  to the right of    6
142   31  to the right of   15
143   31  to the right of   20
144   31  to the right of   22

[145 rows x 3 columns]