Is the sign post that looks black holding the sign below the traffic light?
Yes, the sign post is holding the street sign.
    src        edge_attr  dst
0     0            above    3
1     0               on   17
2     0  to the right of    2
3     0   to the left of    9
4     0  to the right of   12
..  ...              ...  ...
79   16   to the left of   13
80   17  to the right of   16
81   17  to the right of    2
82   17  to the right of    6
83   17  to the right of   11

[84 rows x 3 columns]