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California High-Speed Rail Main Article Images
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California High-Speed Rail Main Article Lead
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Current version:

California High-Speed Rail (also known as CAHSR or CHSR) is a publicly funded high-speed rail system being developed in the American state of California by the California High-Speed Rail Authority. The full system is envisioned to eventually encompass 776 mi and is split into two parts: Phase 1 would connect from downtown San Francisco via the San Joaquin Valley south to Los Angeles and Anaheim, for a total of 494 mi. Phase 2 would extend the system north to Sacramento and south to San Diego.

The project was authorized by a 2008 statewide ballot. It is intended to reduce travel times in the state, particularly between the major urban areas of the north (the San Francisco Bay Area) and the south (Greater Los Angeles). Further goals were reductions in pollution and carbon emissions, alleviation of highway and air traffic congestion, and boosting the state's economy, especially in the San Joaquin Valley and other inland regions.

The project has never received full funding for Phase 1. As of 2024, the High-Speed Rail Authority was targeting completion of the "Initial Operating Segment" (IOS), a 171 mi high-speed line connecting Merced and Bakersfield in the Central Valley. It is projected to commence revenue service as a self-contained high-speed rail system between 2030-2033, at a cost of $28–35 billion. With a top speed of 220 mph, CAHSR trains running along this section would be the fastest in the Americas. Between groundbreaking in January 2015 and December 2023, a total of $11.2 billion had been spent on the IOS, which has 119 mi under active construction, as well as on upgrades to existing rail lines in the Bay Area and Los Angeles, in anticipation of future track-sharing for Phase 1. Funding has not been allocated to connect the IOS with either the Bay Area or Los Angeles, which would require crossing several major mountain passes.

The project has experienced significant delays and cost overruns caused by unrealistic initial estimates of cost and timeline, project management issues, legal challenges, and lack of complete funding. The route choice has been criticized along with the decision to start initial construction in the Central Valley.

introduction for main needs perfect flow. Experimenting here:

People are mainly confused by: (i) where is it being built (ii) how much has been spent (iii) when will it be done. So this paragraph should define what "it" is and answer (i)-(iii). Central Valley is less precise than San Joaquin Valley, but is used in discourse, so it should be mentioned somewhere

The project has never received full funding for Phase 1. Between groundbreaking in 2015 and the end of 2023, a total of $11.2 billions had been spent on a new high-speed guideway in the Central Valley with 119 mi under active construction, along with upgrades to existing rail lines in the Bay Area and Los Angeles in anticipation of future track-sharing for Phase 1. With its funding available in 2024, the High-Speed Rail Authority was targeting completion of the "Initial Operating Segment" (IOS), a 171 mi high-speed line connecting Merced and Bakersfield that is projected to commence revenue service as a self-contained high-speed rail system between 2030-2033, at a cost of $35.3 billion. This is not entirely correct, this cost includes Phase 1 project dev + bookends Yes, you are right, but then the para should clarify how much of the CAHSR 2009 bond has been given to the non-HS “bookend” projects. For the north B.End, the data is here: https://en.wikipedia.org/wiki/Caltrain_Modernization_Program against best practise, I ended up doing most editing directly in the editor anyway -- I'd love to hear your feedback on the current version (see above, or in sandbox 1)! As to Prop 1A bond split, I think it's best to defer to the funding section -- there, it's detailed that $950m out of the $9,950m Prop 1A funds are earmarked for bookends. At this point, we are sadly waaaaay past the $9,950m anyway, so the overall budget split into IOS vs bookends is probably more relavant. Cheers With a top speed of 220 mph, CAHSR trains running along this section would be the fastest in the Americas. Funding has not been allocated to connect the IOS with either the Bay Area or Los Angeles, which would require crossing several major mountain passes.

Construction of California High-Speed Rail
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Experimentation grounds for overhaul of the article Construction of California High-Speed Rail