Are there both traffic lights and stop signs in this image?
No, there is a stop sign but no traffic lights.
    src        edge_attr  dst
0     1               on    2
1     1               on    3
2     1   to the left of    9
3     1   to the left of    4
4     1   to the left of   10
5     2  to the right of    6
6     2   to the left of    4
7     2   to the left of    9
8     2   to the left of    7
9     2   to the left of   10
10    4  to the right of    1
11    4  to the right of    2
12    4  to the right of    6
13    4  to the right of    5
14    4  to the right of    8
15    4  to the right of    7
16    5   to the left of    4
17    5  to the right of    6
18    5   to the left of    7
19    5   to the left of    8
20    6   to the left of    8
21    6   to the left of    2
22    6   to the left of    4
23    6   to the left of    5
24    6   to the left of    7
25    7  to the right of    2
26    7  to the right of    8
27    7  to the right of    6
28    7  to the right of    5
29    7   to the left of    4
30    7   to the left of   10
31    7   to the left of    9
32    8   to the left of    9
33    8  to the right of    6
34    8  to the right of    5
35    8   to the left of    7
36    8   to the left of    4
37    9  to the right of    2
38    9  to the right of    1
39    9  to the right of    7
40    9  to the right of    8
41   10  to the right of    2
42   10  to the right of    1
43   10  to the right of    7