Striving for the best possible geometry compatible with the surroundings and available economic resources, should be one of the irrefutable technical principles for designing a highway, whether B.I.T. or A.I.T., so that the basic rights to communication and sustainable development are respected, both for the individual as well as society, and at par with those of the country in its immediate surrounding. Planning B.I.T. highways should be part of the comprehensive approach of a country@s highway network, since they represent, on average, 80% of the entire road network, even though they only cater to 12 to 15% of heavy and industrial traffic. Therefore, their design should be considered within the general framework of technical standards. The A.I.T. network (primary roads) means an opening to development,and the B.I.T. (secondary and tertiary, cattle and livestock, etc.) means the consolidation of this development, thus a guarantee of national balance. This network is the more complex of the two. (A)
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