Explanation: The Indian Highway Network is a vast system of roads that connect various parts of India, facilitating transportation and economic activities. National Highways (NH) are the primary arterial roads in this network, designed to provide efficient connectivity between major cities, industrial areas, and ports.
Among the options provided, NH 47A is the shortest highway in the Indian Highway Network. NH 47A is a spur of the larger NH 47, which runs through the state of Kerala. NH 47A specifically connects the city of Kollam to the town of Paravur, covering a distance of approximately 1.5 kilometers. This short stretch makes NH 47A the shortest highway in the entire network.
To understand why NH 47A is the shortest, it is important to note that highways in the Indian Highway Network can vary greatly in length. Some highways, like NH 7, which runs from Varanasi to Kanyakumari, are over 2,300 kilometers long, while others, like NH 47A, are much shorter. The length of a highway is determined by its purpose and the geographical and administrative requirements of the region it serves.
The misconception that other highways might be the shortest could arise from a lack of detailed knowledge about the specific lengths of each highway. For instance, NH 22A, NH 13B, and NH 11J are all longer stretches that connect different parts of the country and serve significant transportation needs. However, none of these highways are as short as NH 47A.
In summary, NH 47A is the shortest highway in the Indian Highway Network due to its specific purpose and the limited distance it covers within the state of Kerala. Understanding the lengths and purposes of different highways is crucial for comprehending the structure and function of the Indian Highway Network.