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Traditional Soil 1 Soil 2 Soil 3 Soil 4
170 mm asphalt 160 mm asphalt 160 mm asphalt 160 mm asphalt
250 mm topbase 250 mm topbase 250 mm topbase 250 mm topbase
Road 1 250 mm subbase 250 mm subbase 300 mm subbase 300 mm subbase
300 mm sand 300 mm sand soil soil
soil soil
150 mm asphalt 150 mm asphalt 150 mm asphalt 150 mm asphalt
250 mm topbase 250 mm topbase 250 mm topbase 250 mm topbase
Road 2 250 mm subbase 250 mm subbase 300 mm subbase 300 mm subbase
300 mm sand 300 mm sand soil soil
soil soil
130 mm asphalt 130 mm asphalt 130 mm asphalt 130 mm asphalt
250 mm topbase 250 mm topbase 250 mm topbase 250 mm topbase
Road 3 250 mm subbase 250 mm subbase 300 mm subbase 300 mm subbase
300 mm sand 300 mm sand soil soil
soil soil
100 mm asphalt 100 mm asphalt 100 mm asphalt 100 mm asphalt
250 mm topbase 250 mm topbase 250 mm topbase 250 mm topbase
Road 4 250 mm subbase 250 mm subbase 300 mm subbase 300 mm subbase
300 mm sand 300 mm sand soil soil
soil soil
80 mm asphalt 80 mm asphalt 80 mm asphalt 80 mm asphalt
250 mm topbase 250 mm topbase 250 mm topbase 250 mm topbase
250 mm subbase 250 mm subbase 300 mm subbase 300 mm subbase
Road 5
300 mm sand 300 mm sand soil soil
soil soil
Table 3.8: Traditional pavement constructions for the different road and soil types.
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