Is there any red bus or train?
No, there is a train but it is white.
    src        edge_attr  dst
0     0  to the right of    2
1     0   to the left of   18
2     0   to the left of    8
3     1  to the right of   14
4     1   to the left of    5
5     1  to the right of    3
6     2   to the left of   18
7     2   to the left of    8
8     2   to the left of    0
9     3  to the right of    6
10    3   to the left of   10
11    3   to the left of    1
12    4           behind   10
13    5  to the right of   10
14    5  to the right of    1
15    5  to the right of   16
16    6   to the left of    3
17    6   to the left of   14
18    6   to the left of   10
19    7   to the left of   19
20    7   to the left of   13
21    8   to the left of   18
22    8  to the right of    0
23    8   to the left of    9
24    8  to the right of    2
25    9  to the right of    8
26    9  to the right of   18
27   10   to the left of    5
28   10  to the right of    3
29   10  to the right of   14
30   10   to the left of   15
31   10  to the right of    6
32   11   to the left of   15
33   12  to the right of   17
34   13  to the right of   18
35   13  to the right of    7
36   14   to the left of   10
37   14  to the right of    6
38   14   to the left of   16
39   14   to the left of    1
40   15  to the right of   10
41   15  to the right of   11
42   16   to the left of    5
43   16  to the right of   14
44   17   to the left of   12
45   18   to the left of   13
46   18  to the right of    0
47   18  to the right of    2
48   18  to the right of    8
49   18   to the left of    9
50   19  to the right of    7