Highways play a crucial role in the transportation system as the highways link different cities and even countries. It is very important to maintain the highways in order to make sure that transport system between two states or even countries is being maintained properly. Money plays a crucial role here as it is extremely important to make sure that the conditions of the highway roads are proper for smoother transportation. Highway maintenance is done through taxes which have been collected from people. Increasing taxes on motor fuels will help to make sure that the highways are being maintained properly which is a positive side of it