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inżynieria: California High-Speed Rail

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With a top speed of 220 mph (350 km/h), CAHSR trains would be the fastest in the U.

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California High-Speed Rail (CAHSR) is a publicly-funded high-speed rail system under construction across California by the California High-Speed Rail Authority. The project was authorized by a 2008 statewide ballot, and is being constructed in two major phases. Phase 1, which is about 494 miles (795 km) long, will connect the Bay Area and the Greater Los Angeles Area through the Central Valley communities. Upon completion, Phase 1 is required to provide a non-stop express connection between San Francisco and Los Angeles in two hours and 40 minutes. Phase 2 would extend the system north to Sacramento and south to San Diego, for a total system length of 776 miles (1,249 km). With a top speed of 220 mph (350 km/h), CAHSR trains would be the fastest in the U.S. and among the fastest in the world. The Initial Operating Segment (IOS), a section of Phase 1 in the Central Valley that spans 35 percent of its total length, is the first segment that has advanced to construction, and will connect communities from Merced to Bakersfield, at a cost of $36.7 billion. Revenue service on the IOS is projected to commence in 2032. Construction began in the Central Valley in 2015, and as of August 2025, a total of $13.8 billion had been spent on the project. Other major expenditures include upgrades to existing rail lines in the San Francisco Bay Area and Greater Los Angeles, where Phase 1 is plan…

Kategoria: inżynieria

Rodzina: inżynieria

Jakość źródła: 65/100

Próby weryfikacji: 3

Notatka fact-checku: Fact-check 3.0-content-aware: no sufficient claim-bound corroboration after 3 healthy attempts. Scope=verify the factual claim. Required independent sources=2; stored evidence groups=1. Provider/API errors did not consume attempts. | Fact-check 4.3.2: research wznowiony bez zdejmowania HOLD. Poprzednia metoda: factcheck-300-content-aware. | Fact-check 4.3.2: research wznowiony bez zdejmowania HOLD. Poprzednia metoda: factcheck-weekly-research-432.

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Evidence: 100 • authority: 72

California High-Speed Rail (CAHSR) is a publicly-funded high-speed rail system under construction across California by the California High-Speed Rail Authority. The project was authorized by a 2008 statewide ballot, and is being constructed in two major phases. Phase 1, which is about 494 miles (795 km) long, will connect the Bay Area and the Greater Los Angeles Area through the Central Valley communities. Upon completion, Phase 1 is required to provide a non-stop express connection between San Francisco and Los Angeles in two hours and 40 minutes. Phase 2 would extend the system north to Sacramento and south to San Diego, for a total system length of 776 miles (1,249 km). With a top speed…

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Wikipedia ENpomocnicze

Evidence: 45 • authority: 72

High-speed rail in the United States dates back to the High-Speed Ground Transportation Act of 1965. Various state and federal proposals have followed. Despite being one of the world's first countries to get high-speed trains (the Metroliner service in 1969), they are still limited to the East Coast and the Midwest of the United States. Definitions of what constitutes high-speed rail vary; the United States Department of Transportation defines high-speed rail as trains with a top speed of 110 mph (177 km/h) and above. Inter-city rail with top speeds between 90 and 110 mph (140 and 180 km/h) is referred to in the United States as higher-speed rail, though some states define high-speed rail w…

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Wikipedia ENpomocnicze

Evidence: 41 • authority: 72

The high-speed rail (HSR, Chinese: 高铁; pinyin: Gāotiě) network in the People's Republic of China (PRC) is almost entirely owned and operated by the China State Railway Group Co. under the brand China Railway High-speed (CRH), including HSR trains, tracks, and services. China's high-speed rail network is the world's longest and has the highest ridership, as it accounts for roughly two-thirds of the world's total and has expanded to more than 50,000 km in operational length. The HSR network encompasses newly built rail lines with a design speed of 200–380 km/h (120–240 mph). Since the 2000s, China's high-speed rail network has experienced rapid growth. CRH was introduced in April 2007, with t…

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