Are there fences or cars?
Yes, there is a fence.
    src        edge_attr  dst
0     0               in    1
1     2  to the right of    3
2     3   to the left of    2
3     4  to the right of    9
4     7   to the left of   10
5     8  to the right of    9
6     8             near    9
7     9          next to    8
8     9   to the left of    4
9     9   to the left of    8
10    9   to the left of   10
11   10  to the right of    9
12   10  to the right of    7