Do the traffic sign and the street sign have the same color?
Yes, both the traffic sign and the street sign are white.
    src        edge_attr  dst
0     0  to the right of    1
1     0  to the right of    9
2     0  to the right of    6
3     0  to the right of    3
4     1   to the left of    0
5     1   to the left of   12
6     2        parked on   13
7     3  to the right of    7
8     3   to the left of   12
9     3   to the left of    0
10    4               on   13
11    4  to the right of    9
12    6   to the left of   12
13    6   to the left of    0
14    7   to the left of    3
15    8               of    2
16    8  to the right of   15
17    9   to the left of   12
18    9   to the left of    0
19    9   to the left of    4
20   12  to the right of    9
21   12  to the right of    6
22   12  to the right of    1
23   12  to the right of    3
24   15   to the left of    8
25   15               of    2