Are there both cars and buses?
Yes, there are both a bus and a car.
   src        edge_attr  dst
0    0  to the right of    2
1    2            below    6
2    2             near    5
3    2   to the left of    0
4    2       driving on    8
5    2  to the right of    5
6    4  to the right of    5
7    5   to the left of    4
8    5             near    2
9    5   to the left of    2