0 0 FAST LANE BETWEEN THE WHEEL TRACKS
1 1 FAST LANE BETWEEN THE WHEEL TRACKS IN THE OPPOSITE DIRECTION
2 2 FAST LANE IN THE WHEEL TRACKS
3 3 FAST LANE IN THE WHEEL TRACKS IN THE OPPOSITE DIRECTION
4 4 SLOW LANE BETWEEN THE WHEEL TRACKS
5 5 SLOW LANE BETWEEN THE WHEEL TRACKS IN THE OPPOSITE DIRECTION
6 6 SLOW LANE IN THE WHEEL TRACKS
7 7 SLOW LANE IN THE WHEEL TRACKS IN THE OPPOSITE DIRECTION
15 15 MISSING VALUE
