Are there both cars and trains in the picture?
No, there is a train but no cars.
    src        edge_attr  dst
0     0   to the left of    6
1     0   to the left of    4
2     2  to the right of   14
3     2  to the right of    9
4     3  to the right of   14
5     3  to the right of   13
6     3  to the right of   10
7     4  to the right of    0
8     5  to the right of   13
9     6  to the right of    9
10    6  to the right of    0
11    6  to the right of   14
12    6  to the right of   16
13    8  to the right of   14
14    8  to the right of    9
15    9   to the left of    6
16    9   to the left of    8
17    9   to the left of    2
18    9  to the right of   13
19    9  to the right of   10
20    9  to the right of   14
21   10   to the left of    9
22   10  to the right of   12
23   10   to the left of   15
24   10  to the right of   11
25   10   to the left of    3
26   11   to the left of   13
27   11   to the left of   10
28   12   to the left of   10
29   12   to the left of   13
30   13   to the left of    9
31   13   to the left of   15
32   13   to the left of    3
33   13   to the left of    5
34   13   to the left of   16
35   13  to the right of   11
36   13  to the right of   12
37   13   to the left of   14
38   14   to the left of   15
39   14   to the left of    2
40   14   to the left of    6
41   14   to the left of    3
42   14   to the left of    9
43   14   to the left of    8
44   14  to the right of   13
45   15  to the right of   13
46   15  to the right of   14
47   15  to the right of   10
48   16   to the left of    6
49   16  to the right of   13