Are there buses or trucks?
Yes, there is a truck.
    src        edge_attr  dst
0     0  to the right of    5
1     0   to the left of    6
2     1   to the left of    6
3     2   to the left of    9
4     2   to the left of    4
5     4  to the right of    2
6     5   to the left of    7
7     5   to the left of    0
8     6  to the right of    7
9     6  to the right of    1
10    6  to the right of    0
11    7   to the left of    6
12    7  to the right of    5
13    9  to the right of    2