Tokyo's First Subway Line Groundbreaking

Groundbreaking occurred on August 26, 1907, for Tokyo's initial subway segment between Ueno and Asakusa, Japan's pioneering urban rail project. Engineer Noritsugu Hayakawa led efforts to navigate dense urban geology and earthquakes using cut-and-cover methods. Electric multiple-unit trains from the start emphasized efficiency over steam. This 2.2 km line opened in 1927, alleviating street congestion in a rapidly modernizing capital. It laid foundations for the world's largest metro system, influencing post-war reconstruction and high-density urban planning across Asia.