Factor influencing highway design

Factor influencing highway design based on several factors:

• Functional classification of highway being designed.
• Expected traffic volume & vehicle mix.
• Design speed.
• Design vehicle.
• Topography.
• LOS to be provided. (Tahap quality sesebuah highway)
• Safety.
• Social & environmental factors.
• Available funds.
  

Functional classification of highway

Highways are classified according to their functions. The classification system serves systematic development which the road are located. For example, the road constructed in urban area. Therefore, this type of road ( arterials ) related to the population density/type of land use that will influence travel patterns.