Is the bus behind a car?
No, the bus is in front of a car.
     src        edge_attr  dst
0      1  to the right of   17
1      2  to the right of   18
2      3  to the right of    4
3      3  to the right of   23
4      3  to the right of   10
..   ...              ...  ...
141   29  to the right of    6
142   29  to the right of   22
143   29  to the right of   21
144   29   to the left of   26
145   29   to the left of   24

[146 rows x 3 columns]