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The HSL 3 ((フランス語:Ligne à Grande Vitesse (LGV) 3), (オランダ語:Hogesnelheidslijn 3), (英語:High-Speed Line 3)) is a Belgian high-speed rail line. It connects Liège to the German border near Aachen. The line is long, of which are dedicated high-speed tracks. The line was technically completed in October 2007; however, it did not come into operation until 14 June 2009,〔(Line 3 completes high speed network ), Railway Gazette International 2009-06-15〕 when ICE trains began service. Thalys trains have been using the line since December 13, 2009.〔 The gap between completion of the line and its actual use was due to difficulties in the implementation of the safety system ETCS level 2, specifically, finding trains with ERTMS fitted.〔 Together with the HSL 2 and HSL 1 to the French border, the combined eastward high-speed line has greatly reduced journey times between Brussels, Paris and Germany. HSL 3 has cut Liège – Köln journey times from 1 h 23 min to 1 h 1 min.〔 HSL 3 is used only by international Thalys and ICE trains, as opposed to HSL 2, which is also used for fast internal InterCity services. ==Route== Trains leave the reconstructed Liège-Guillemins station over the upgraded ''classic'' line, at speeds which progressively rise to . marks the beginning of the dedicated high-speed tracks. The line crosses the Vesdre river, then traverses the long Soumagne Tunnel between and Soumagne. This is the longest double-track tunnel in Belgium, and has a speed limit of 200 km/h.〔 The line then runs parallel to the E40 motorway with a speed limit of 260 km/h;〔 shortly after the village of Walhorn, it passes under the E40 in a cut-and-cover section, and rejoins the regular line. Trains run on the upgraded classic line at , pass over the Hammerbrücke viaduct (entirely reconstructed for the project), and cross the border 2 km further on. Beyond the border, high-speed trains travel along upgraded existing rail lines to Aachen Hauptbahnhof. Trains use left-hand running along this section (as in Belgium), switching over to right-hand running, which is common in Germany, at Aachen. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「HSL 3」の詳細全文を読む スポンサード リンク
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