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[[File:STES-AEG_Versuchstriebwagen.jpg|STES-AEG Versuchstriebwagen|thumb]] [[File:Károly_Zipernowsky.jpg|Károly Zipernowsky|thumb|left]] [[File:CNY_map.png|CNY map|thumb|left]] [[File:Bundesarchiv_Bild_102-14151,_"Fliegender_Hamburger",_DRG_778.jpg|Bundesarchiv Bild 102-14151, "Fliegender Hamburger", DRG 778|thumb]] [[File:Twin_Cities_Zephyr_Oregon_Illinois_early_1940s.jpg|Twin Cities Zephyr Oregon Illinois early 1940s|thumb]] '''High-speed rail''' (HSR) is a type of [[rail transport]] that operates significantly faster than traditional [[rail traffic]], using an integrated system of specialized rolling stock and dedicated tracks. While there is no single standard that applies worldwide, new lines in excess of 250 kilometers per hour (160 mph) and existing lines in excess of 200 kilometers per hour (120 mph) are widely considered to be high-speed. The first such system began operations in Japan in 1964 and was widely known as the [[Shinkansen]] or "bullet train". Since then, high-speed rail has expanded globally, particularly in countries like [[France]], [[Germany]], [[Spain]], [[China]], and [[Italy]].

==History==
The origins of high-speed rail can be traced back to the early 20th century, with several railroads experimenting with high-speed services. However, the first true high-speed rail service was Japan's Shinkansen, which debuted in time for the 1964 Tokyo Olympics. This marked a significant milestone in rail transport, offering speeds that could compete with air travel for domestic routes. Following Japan's success, several countries embarked on their own high-speed rail projects.

==Technology==
High-speed rail technology encompasses advanced [[locomotives]] and [[rolling stock]], designed for stability, comfort, and safety at high speeds. Aerodynamically designed trains reduce air resistance, while dedicated tracks, often featuring continuous welded rail and sophisticated signaling systems, ensure smooth and efficient operations. High-speed trains are also equipped with advanced braking systems and are designed to operate under various weather conditions.

==Economic and Environmental Impact==
High-speed rail offers several economic benefits, including job creation during construction and operation, as well as the stimulation of economic growth in regions connected by high-speed services. Environmentally, HSR is considered more sustainable than air or car travel, producing significantly lower CO2 emissions per passenger kilometer. It also helps to alleviate traffic congestion and can reduce the demand for short-haul air travel, contributing to a decrease in overall transportation-related emissions.

==Global Expansion==
The success of the Shinkansen inspired other nations to develop their own high-speed rail networks. In Europe, France's [[TGV]] (Train à Grande Vitesse) began operations in 1981, connecting Paris with Lyon. Germany's [[Intercity-Express]] (ICE), Spain's AVE (Alta Velocidad Española), and Italy's Frecciarossa are other notable examples of high-speed rail systems. China has embarked on an ambitious program to build a vast network of high-speed rail, becoming the world leader in terms of total length of high-speed rail lines.

==Challenges and Future Directions==
Despite its benefits, high-speed rail faces several challenges, including high construction and maintenance costs, environmental concerns related to land use and noise, and competition from other modes of transport. Future directions for high-speed rail include the development of even faster trains, such as maglev (magnetic levitation) technology, and the expansion of networks to connect more regions and countries.

[[Category:Rail transport]]
[[Category:High-speed rail]]

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High-speed rail - Revision history

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