Following are the 8 basic requirements of an ideal highway alignment:
The alignment should be short to make the road project economical. To meet this requirement, the alignment should be as straight as possible.
The alignment should be such that it is easy to construct and maintain the road with minimum problems.
The alignment should be safe for traffic operation. It should be safe for the construction and maintenance of the road.
The alignment should be economical in its cost of construction, maintenance and traffic operations.
The alignment should be such that it would offer maximum utility by serving the maximum population and products.
6. Natural Aspects
The alignment should have a good natural aspect.
The location of the highway alignment is crucial. It should be located in such a way that it can easily connect surrounding urban or rural areas without disturbing residential areas, cultural heritage sites, and other important landmarks.
8. Future Expansion and Flexibility
Highway road alignments should be such that there is flexibility to accommodate possible expansions, additional lanes and improvements at low cost.
Conclusion: By considering these basic requirements, highway alignments can be designed to enhance safety, optimize traffic flow, minimize environmental impact, and provide seamless connectivity for motorists and other road users.