Here is a few purposes
- To collect the data about type and volume traffic at present and to estimate the same that the road is expected to carry in near future.
- To determine the existing facilities such as traffic regulation and control intersection, etc. provided on roads so as to decide the priority for improvement and expansion of any particular road and to allot the funds accordingly.
- To decide the pavement thickness of the road.
- To decide geometrical design of the road.
- To design the drainage system, bridges, culverts, etc.
- To redesign the road widths, curves, traffic signals, intersections, etc. from the data collected after traffic surveys relating to accidents.
- To estimate the amount of the road taxes that can be levied.
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