New Delhi, Oct. 23 -- Two decades after the Vajpayee government's Golden Quadrilateral reshaped intercity connectivity, India is gearing up for an even grander sequel-a Rs.20-trillion plan to build a new generation of access-controlled, high-speed expressways that crisscross the nation.

The upcoming network aims not just to link major metros but to weave together the country's industrial corridors, logistics hubs, and ports into a single, high-speed transport grid-the largest outside China.

By 2030, India could see over 20,000 km of expressways forming a modern "Golden Quadrilateral of Expressways," along with East-West and North-South corridors, setting the foundation for seamless, fast, and safe travel.

Mint explains the government's...