The Golden Quadrilateral super project was launched in January, 1999.

The Golden Quadrilateral (GQ) is a highway network connecting the major cities of India. It is one of the largest highway projects in the world and was launched with the aim of improving transportation infrastructure and promoting economic development in the country. The project was initiated by the government of India and was executed by the National Highways Authority of India (NHAI).

Background:
- India has a vast road network, but it suffered from inadequate connectivity and poor quality of roads. The existing highways were not sufficient to handle the increasing traffic and transportation needs of the growing economy.
- To address these challenges, the idea of developing a high-quality road network connecting major cities was conceived.

Launch of the Golden Quadrilateral:
- The Golden Quadrilateral project was officially launched in January, 1999.
- The project aimed to construct a 5,846 km highway network connecting four major metropolitan cities of India: Delhi, Mumbai, Chennai, and Kolkata.
- The network forms a quadrilateral shape, hence the name "Golden Quadrilateral."

Objectives of the Golden Quadrilateral:
- The primary objective of the project was to improve connectivity and reduce travel time between major cities.
- It aimed to boost economic development by facilitating the movement of goods and people.
- The project also aimed to enhance road safety and reduce accidents by developing high-quality highways with proper signage and safety measures.

Implementation and Progress:
- The implementation of the project was divided into several phases. The construction work was carried out in a phased manner to ensure efficient utilization of resources.
- The project faced several challenges, including land acquisition, environmental concerns, and funding issues. However, the government and NHAI took various measures to overcome these challenges and ensure the timely completion of the project.
- Over the years, significant progress has been made in the construction of the Golden Quadrilateral. The highways have been developed as four-lane or six-lane roads, with provisions for future expansion to eight lanes.

Impact and Benefits:
- The completion of the Golden Quadrilateral has resulted in improved connectivity, reduced travel time, and enhanced transportation efficiency.
- It has facilitated the movement of goods and people, thereby boosting trade and economic growth.
- The project has also led to the development of ancillary industries and improved living standards in the regions along the highway network.
- The Golden Quadrilateral has played a significant role in promoting tourism and attracting investments in the areas it connects.

Conclusion:
The Golden Quadrilateral super project was launched in January, 1999, with the aim of improving connectivity, promoting economic development, and enhancing road safety in India. It has been a monumental infrastructure project that has had a transformative impact on the country's transportation system and economic growth.