Does the crosswalk have a different color than the van?
Yes, the van is blue and the crosswalk is white.
    src        edge_attr  dst
0     0   to the left of   16
1     0   to the left of   12
2     0   to the left of    3
3     0   to the left of    1
4     1   to the left of    2
5     1  to the right of    0
6     1   to the left of   14
7     2  to the right of    1
8     3  to the right of    0
9     4   to the left of   11
10    4  to the right of   17
11    6  to the right of   10
12    6   to the left of    7
13    7  to the right of    6
14    7  to the right of   10
15    8  to the right of   14
16    8  to the right of   12
17    9   to the left of   10
18   10  to the right of    9
19   10   to the left of    6
20   10   to the left of    7
21   10  to the right of   17
22   11  to the right of   13
23   11  to the right of    4
24   12               on    5
25   12   to the left of    8
26   12  to the right of    0
27   13  to the right of   17
28   13   to the left of   11
29   14   to the left of    8
30   14  to the right of    1
31   16  to the right of    0
32   17   to the left of   10
33   17   to the left of   13
34   17   to the left of    4