Are there both trains and cars in the picture?
No, there is a train but no cars.
    src        edge_attr  dst
0     0  to the right of   10
1     0   to the left of    9
2     0   to the left of   12
3     0   to the left of   11
4     0  to the right of    5
5     0   to the left of    6
6     0   to the left of   13
7     1   to the left of    3
8     2   on the side of   12
9     2  to the right of    3
10    3               in    1
11    3  to the right of    1
12    3   to the left of    2
13    3   to the left of   12
14    5   to the left of    0
15    6  to the right of    0
16    6   to the left of    9
17    6   to the left of   13
18    9  to the right of    0
19    9  to the right of    6
20   10   to the left of    0
21   11  to the right of    0
22   12  to the right of    0
23   12  to the right of    3
24   13  to the right of    6
25   13  to the right of    0