The Golden Quadrilateral is a major highway network in India that connects four key cities: Delhi, Kolkata, Chennai, and Mumbai. Spanning approximately 5,846 kilometers, it facilitates efficient transportation and trade across the country, enhancing economic growth and connectivity. This project was initiated in 2001 and is part of the larger National Highways Development Project. The Golden Quadrilateral consists of four main highways, improving road quality and reducing travel time. It plays a crucial role in linking industrial and agricultural regions, thereby supporting India's development and infrastructure.