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Based on the type of pavement
surfacing provided, they are classified as surfaced and unsurfaced roads.
- Surfaced roads (BM, concrete): Roads which are provided with a bituminous
or cement concreting surface are called surfaced roads.
- Unsurfaced roads (soil/gravel): Roads which are not provided with a
bituminous or cement concreting surface are called unsurfaced roads.
Roads may also be classified based on the traffic volume in that road, load
transported through that road, or location and function of that road.
- Traffic volume : Based on the traffic volume, they are classified as
heavy, medium and light traffic roads.
These terms are relative and so the limits under each class may be expressed as
vehicles per day.
- Load transported : Based on the load carried by these roads, they can be
classified as class I, class II, etc. or class A, class B etc. and the limits
may be expressed as tonnes per day.
- Location and function : The classification based on location and
function should be a more acceptable classification since they may be defined
clearly.
Classification of roads by Nagpur Road plan is based on the location and
function which we had seen earlier.
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