Inauguration of Tokyo's First Subway Line

The Tokyo Underground Railway's initial 2.2 km section from Asakusa to Ueno opened on May 29, 1913, establishing Japan's pioneering subway network. Engineered with cut-and-cover methods amid dense urban terrain, it used electric multiple units to navigate tight curves and steep gradients. This development alleviated severe street congestion in rapidly modernizing Tokyo and set standards for future expansions like the Ginza Line. Key figures included engineer Noritsugu Hayakawa, who studied systems in Europe and the US. The line's success spurred nationwide adoption of rapid transit, influencing post-war reconstruction and the extensive Tokyo Metro system. It symbolized Japan's embrace of Western technology while adapting it to local needs, carrying millions of passengers annually and remaining operational today.