When looking at designing a road or pavement foundation the designer needs to comply with the local council standards, and a geotechnical investigation must be undertaken inline with California Bearing Ratio (CBR Test) .

Before the construction of building or roads, soil load bearing tests will be required.

The longest A Road The longest road in the UK is the A1 which is 410 miles long and goes from London to Edinburgh.

In previous methods, widening motorways was approached without effective conservation.