Are there either taxis or locomotives in the photo?
Yes, there is a taxi.
    src        edge_attr  dst
0     0   to the left of   15
1     0   to the left of   17
2     0   to the left of   12
3     0   to the left of    3
4     1  to the right of    3
5     1  to the right of    5
6     1  to the right of   17
7     1   to the left of   11
8     2  to the right of    7
9     2  to the right of   15
10    2   to the left of    6
11    3               of   17
12    3   to the left of    1
13    3  to the right of   12
14    3   to the left of    8
15    3  to the right of    0
16    5   to the left of    1
17    5   to the left of    9
18    5   to the left of   10
19    5  to the right of   13
20    5  to the right of   14
21    5   to the left of    8
22    5               on    3
23    6  to the right of    2
24    6  to the right of   17
25    7   to the left of   17
26    7   to the left of    2
27    8  to the right of    3
28    8  to the right of    5
29    8  to the right of   17
30    8  to the right of   12
31    9  to the right of    5
32   10  to the right of    5
33   11  to the right of   17
34   11  to the right of    1
35   12   to the left of    8
36   12   to the left of    3
37   12  to the right of    0
38   13   to the left of   17
39   13   to the left of    5
40   14   to the left of   17
41   14   to the left of    5
42   15   to the left of    2
43   15   to the left of   17
44   15  to the right of    0
45   17  to the right of    0
46   17   to the left of    6
47   17  to the right of   15
48   17  to the right of   14
49   17  to the right of   13
50   17   to the left of    8
51   17  to the right of    7
52   17   to the left of    1
53   17   to the left of   11