What is the vehicle on the road?
The vehicle is a car.
    src        edge_attr  dst
0     0  to the right of   16
1     1  to the right of    9
2     1   to the left of    2
3     2  to the right of    1
4     3   to the left of   11
5     4  to the right of    9
6     5   to the left of    7
7     5  to the right of    6
8     5   to the left of   10
9     5   to the left of    8
10    6   to the left of    7
11    6   to the left of    5
12    6   to the left of   10
13    6   to the left of    8
14    7  to the right of    6
15    7  to the right of    5
16    7  to the right of    8
17    7   to the left of   10
18    8  to the right of    5
19    8  to the right of    6
20    8   to the left of    7
21    8   to the left of   10
22    9   to the left of    4
23    9   to the left of   11
24    9   to the left of   17
25    9   to the left of   16
26    9   to the left of    1
27   10  to the right of    6
28   10  to the right of    5
29   10  to the right of    7
30   10  to the right of    8
31   11  to the right of    9
32   11               on   12
33   11  to the right of    3
34   14   to the left of   15
35   14               of   11
36   15  to the right of   14
37   16  to the right of    9
38   16   to the left of    0
39   17  to the right of    9