Does the arrow on the sign look yellow?
No, the arrow is black.
    src        edge_attr  dst
0     0  to the right of    7
1     0  to the right of   15
2     0   to the left of    2
3     0               on    6
4     1   to the left of    8
..  ...              ...  ...
73   18   to the left of    4
74   20   to the left of    2
75   20   to the left of    4
76   20  to the right of    7
77   20               on    6

[78 rows x 3 columns]