Today, 31 years ago, on December 12, 1994 (November 10, 1994) the Shanghai Metro 1 line was opened. On December 12, 1994, the Shanghai Metro 1 line was opened. The Shanghai Metro 1 line, built over 5 years, made Shanghai traffic stagnant, it will greatly enhance the service function of the Shanghai city infrastructure and further mitigate the traffic conflict in Shanghai. The Shanghai Metro 1 line started with the southwest of the city's Jingjiang Park as the starting point, passing through the Shanghai Sports Hall, Huai Road North to the People's Square, crossing the Suzhou River to the Shanghai Railway Station, with a total length of 16.1 kilometers, along the route with 13 stations. The underground longitude stretches through the Shanghai's bustling city center and important transport hub, the highest speed can reach 80 kilometers per hour, the daily