1m

1.5m

2m

2.5m

1 in 30 to 1 in 35

1 in 25 to 1 in 30

1 in 15 to 1 in 20

1 in 10 to 1 in 15

1 in 25 to 1 in 30

1 in 20 to 1 in 25

1 in 5 to 1 in 20

1 in 5 to 1 in 10

Sides and proceeds to centre

Centre and proceeds to sides

Centre only

One side and proceed to other

Initial coat is low

Tractive resistance is low

Rolling resistance is high

Less time for construction