Talk:High-speed rail

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History section divided by countries?

The history section (at least for recent history) seems to be a collection of sections on each country. I think it would be more helpful to have a single history across countries to have a general idea of developments of HSR across time. As it is, this is just a repetition of the HSR history in each country's article, which is not really useful Ita140188 (talk) 10:32, 6 November 2023 (UTC)[reply]

What speed is high-speed?

High-speed rails are considered to have speed above 250 km/h for new lines (en.wikipedia.org/wiki/High-speed_rail). Therefore, all lines with speed 250 km/h and below should be excluded from this article “High-speed rail”.

116.110.42.83 (talk) 04:11, 30 January 2024 (UTC)[reply]

Acela

Is Acela an high speed rail? Or it's by definition.

2601:204:EA7F:220:E159:45BB:B700:8EB5 (talk) 04:04, 11 February 2024 (UTC)[reply]

Acela is not high speed rail according to most definitions, which defines it as a service with speeds of at least 250 km/h. Acela max speed is 240 km/h. Most high-speed rail lines in the world are designed for and operated at 300 km/h. --Ita140188 (talk) 08:16, 30 September 2024 (UTC)[reply]

The definitions in this very article and others are quite clear on a minimum speed of 200km/h for upgraded lines. The NEC is an upgraded line, therefore Acela qualifies as a Category III high speed railway under the UIC definition (though not the Pyrgidis definition which requires a minimum average speed of 150km/h) --Yeti Hunter (talk) 05:51, 8 October 2024 (UTC)[reply]

Here is the UIC definition: https://uic.org/com/enews/nr/596-high-speed/article/the-definition-of-high-speed-rail The "principal criterion" is speeds over 250 km/h. Lower speeds may still qualify in special cases, but I think the Acela is not one of them: there is plenty of air competition in the route, and its tracks are shared by freight and slower passenger trains. Ita140188 (talk) 07:30, 8 October 2024 (UTC)[reply]