A problem statement in general is the description of an issues currently existing which needs to be addressed. It provides the context for the research study and generates the questions which the research aims to answer. The statement of the problem is the focal point of any research.
A conventional highway lamp post which produces a yellowish light is a sodium-vapor lamp. The power consumption of this type of lamp is more than 200W. To make thing worse, massive electricity wastage will happen, if there is no vehicle using the highway at night.
Safety of road users in rural area was the other concern. Properly lit up road will increase visibility of road users tremendously. But, it is difficult to put lamp post in rural area, due to remote location and located far from electrical power grid network. To make thing worse, roads in rural area are well-known for its bumpy and path-holes.
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