Are there any buses in the picture?
No, there are no buses.
    src        edge_attr  dst
0     0  to the right of    6
1     0  to the right of   11
2     2               on   16
3     2               on   11
4     2               on    6
5     2               on    3
6     2  to the right of   11
7     3  to the right of    4
8     3  to the right of    9
9     3  to the right of   11
10    4   to the left of    3
11    4   to the left of   10
12    4  to the right of   13
13    4  to the right of   12
14    4  to the right of   11
15    5   to the left of   15
16    5  to the right of    7
17    6   to the left of    0
18    7   to the left of    5
19    7   to the left of   15
20    7   to the left of   10
21    8   to the left of   10
22    8  to the right of   11
23    9   to the left of   10
24    9   to the left of    3
25    9  to the right of   11
26   10     covered with    2
27   10  to the right of   11
28   10  to the right of   14
29   10  to the right of    8
30   10  to the right of    4
31   10  to the right of    9
32   10  to the right of    7
33   10  to the right of   13
34   10  to the right of   12
35   11   to the left of    0
36   11   to the left of    9
37   11   to the left of   10
38   11   to the left of    4
39   11   to the left of   14
40   11   to the left of    8
41   11   to the left of    3
42   11   to the left of    2
43   12   to the left of   10
44   12   to the left of    4
45   12   to the left of   14
46   13   to the left of   10
47   13   to the left of    4
48   13   to the left of   14
49   14  to the right of   13
50   14  to the right of   11
51   14   to the left of   10
52   14  to the right of   12
53   15  to the right of    5
54   15  to the right of    7