Delhi–Agra–Lucknow–Varanasi–Patna high-speed passenger corridor or Delhi–Patna high-speed passenger corridor is one of the route of the proposed high-speed rail in India. This travels along the Delhi–Howrah main line from Tundla to Mughalsarai. The train expects to cut the journey time for the 993 km between the national capital of India New Delhi and the capital of Bihar Patna to just 5 hours.