What kind of vehicle is in the street?
The vehicles are cars.
    src        edge_attr  dst
0     1  to the right of   12
1     1   to the left of   11
2     1   to the left of    8
3     2   to the left of   15
4     2  to the right of   12
5     4   to the left of   15
6     4   to the left of   14
7     4  to the right of   12
8     4   to the left of    7
9     5   to the left of   14
10    5  to the right of   12
11    5   to the left of   15
12    7  to the right of   13
13    7  to the right of    4
14    7  to the right of   16
15    8  to the right of    1
16    8  to the right of   13
17   10  to the right of   12
18   10   to the left of   14
19   10   to the left of   15
20   11               by    0
21   11  to the right of    1
22   12   to the left of    2
23   12   to the left of    1
24   12   to the left of   13
25   12   to the left of    5
26   12   to the left of   14
27   12   to the left of   10
28   12   to the left of    4
29   13  to the right of   12
30   13   to the left of    8
31   13   to the left of   15
32   13   to the left of   14
33   13   to the left of    7
34   14  to the right of   12
35   14  to the right of   16
36   14  to the right of    4
37   14  to the right of   13
38   14  to the right of    5
39   14  to the right of   10
40   15  to the right of    2
41   15  to the right of    4
42   15  to the right of    5
43   15  to the right of   13
44   15  to the right of   10
45   15  to the right of   16
46   15               in    0
47   16               by    0
48   16   to the left of    7
49   16   to the left of   15
50   16   to the left of   14