Does the sign have the same color as the street?
Yes, both the sign and the street are white.
    src        edge_attr  dst
0     0             near    5
1     0             near    3
2     0             near    6
3     1               on    3
4     1  to the right of    6
5     2               on    4
6     2            above    6
7     3             near    0
8     3  to the right of    6
9     3  to the right of    4
10    3             near    6
11    4   to the left of    3
12    5             near    0
13    6               in    4
14    6            below    2
15    6             near    0
16    6             near    3
17    6   to the left of    3
18    6   to the left of    1
19    6               on    4