Does the road have white color?
No, the road is brown.
     src        edge_attr  dst
0      1   to the left of   12
1      1   to the left of    9
2      1   to the left of   27
3      1   to the left of   24
4      1  to the right of   30
..   ...              ...  ...
137   30   to the left of   25
138   30   to the left of   20
139   30   to the left of    1
140   30   to the left of    4
141   30   to the left of   10

[142 rows x 3 columns]