China's Hongyancun: World's Deepest Metro Station at 381 Feet, Kolkata Tops India

• China's Hongyancun Metro Station in Chongqing is the world's deepest, located 381 feet (116 meters) underground.
• It previously took 38 minutes to reach the platform via stairs; escalators reduced this to 10 minutes.
• The station's construction spanned six years, from 2017 to 2022.
• Hongyancun surpassed Ukraine's Arsenalna Station (105.5 meters) as the deepest.
• Kolkata's Howrah Metro Station (Green Line) is India's deepest, at 112 feet below ground.

Why It Matters: China's Hongyancun is the world's deepest metro, while Kolkata's Howrah leads in India.