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