In Figure 2.2.1.1a the grey colour depicts the sealed road with evidence of white road markings compared with the light brown/yellow/white colour of the unsealed roads.
In Figure 2.2.1.1b the blue/grey signature depicts the sealed road compared with the lighter yellow/white/blue signature that represents the unsealed roads.
Regional Considerations:
In Peri-Urban areas roads frequently change from sealed to unsealed.
Figure: 2.2.1.1 Representation of Sealed Roads and Unsealed Roads.
