/kloc-At the end of 0/9, world capitalism entered the stage of imperialism, and imperialist powers invaded and carved up China and also entered the stage of territorial annexation. 1897 (the 23rd year of Guangxu) 165438+ 10/3 years, Germany sent troops to JIAOZHOU bay and occupied the commercial port of JIAO (Qingdao) by force under the pretext of "Juye religious plan".
Initial stage of road construction: 1899. On June 1 day, the German government issued an order authorizing the Asian Bank of Germany (a syndicate organized on behalf of Deqing Company in the name of Shandong Railway Company) to build the Qingdao-Jinan (including Boshan branch line) railway via Weixian (now Weifang City) and open it for business. On September 23rd, the Ji Jiao Railway from Qingdao to the west was completed. 165438+ 10 In June, a large-scale armed struggle against German blocking roads broke out in Gaomi County. The railway project was forced to stop for nearly a year. In165438+1October, Shandong Railway Company started to ship the required vehicles from Germany, ready to open to traffic. On April 8th, the Ji Jiao-Jiaozhou Railway was completed and opened to traffic. On June 1904 and 1 day, the entire Ji Jiao Railway was completed and opened to traffic, and the Boshan branch line was also completed and opened to traffic. At this time, the total length of Ji Jiao railway trunk line is 395.2 kilometers, and the total length of branch line is 45.7 kilometers.
Ji Jiao Railway during World War II
19 14 After the outbreak of World War I, Japan successively captured Qingdao, Jinan and other places, and took the opportunity to occupy the Ji Jiao Railway instead of Germany. In the winter of the same year, Japan renamed Ji Jiao Railway as Shandong Railway, which was managed by Japan Temporary Railway Union Company. Ji Jiao Railway during the War of Liberation:1945 On August 15, Japan surrendered unconditionally, and the railway occupied by the Japanese army broke away from the Japanese army headquarters and resumed its original organizational system. By June 2nd, when Qingdao was liberated, Ji Jiao Railway finally returned to the people's hands. Until July 1, the Ji Jiao line between Fangzi and Qingdao was repaired and opened to traffic.
Electrification transformation
On February 19, 2003, Ji Jiao Railway started the electrification reconstruction project, and was fully completed in June, 2005, becoming the first electrified railway in Shandong Province. In September 2005, the first speed increase was implemented, which shortened the running time of express passenger trains from Qingdao to Jinan from the past four hours to three hours. In the middle of 2006, a new speed increase will be carried out, and the EMU with a maximum speed of 200km/h will be introduced. On April 18, 2007, when the national railway was raised for the sixth time, the EMU train with a speed of 200KM/H started, and the maximum speed of Jimo Gaomi section could reach 250 km/h.