Is the arrow different in color than the stop sign?
No, both the arrow and the stop sign are white.
    src        edge_attr  dst
0     0   to the left of    3
1     0        on top of    2
2     1  to the right of    2
3     2   to the left of    1
4     2   to the left of    3
5     3            below    1
6     3  to the right of    2
7     3  to the right of    5
8     3  to the right of    0
9     5        on top of    2
10    5   to the left of    3