Distance to Primary Highways (m)

<168

0

168 - 336

1

336 - 500

3

>500

6

Permeability (liter/day/m²)

<24

0

24 - 12

1

12 - 8

2

8 - 2

3

2 - 0.75

4

0.75 - 0.5

5

0.5 - 0.25

6

Slope (%)

<0.5

0

0.6

1

0.7

2

0.9

3

1.1

4

1.2

5

1.5

6