Are there both street signs and traffic lights in the picture?
Yes, there are both a traffic light and a street sign.
    src        edge_attr  dst
0     0             near    4
1     0  to the right of    4
2     1               on    3
3     2  to the right of    3
4     3   to the left of    2
5     4             near    0
6     4   to the left of    0
7     4               in    2
8     4      in front of    5
9     5               on    4
10    5           behind    4
11    5     connected to    3
12    5               on    3