Square Insurance

 India, the world’s seventh-largest country by area, is connected by an expansive network of national highways (NHs) that serve as the backbone of its transportation system. From the snow-covered Himalayas in the north to the lush coastal regions in the south, these highways are not just roads—they’re lifelines that fuel trade, tourism, and development. As of 2025 , India’s highway network spans more than 1,45,000 kilometres , making it one of the largest highway systems in the world , managed primarily by the National Highways Authority of India (NHAI) under the Ministry of Road Transport and Highways (MoRTH) . In this complete 2025 guide, we’ll explore the longest national highways in India , their routes, key destinations, and how they play a crucial role in connecting the country’s diverse regions. 1. Overview of India’s National Highway Network National highways (NHs) are major arterial roads that connect important cities, ports, industrial hubs, and border areas ...