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This paragraph contains a lot of conjectureEdit

Track gauge#Advantages and disadvantages of different track gauges
For example, the BART choose 5 ft 6 in (1,676 mm) because the wider gauge would give greater stability in case of high cross winds. eBART uses standard gauge. Peter Horn User talk 18:25, 18 May 2017 (UTC)

I'm currently researching this again, and editing out info with less support. Bigdan201 (talk) 10:55, 29 May 2017 (UTC)
The possible top speed on standard gauge and broad gauge , as determined by the laws of phisics, is the same. at a certain high speed the train tends to literally fly of the rails. This requires a bit of digging. Peter Horn User talk 01:55, 8 June 2017 (UTC)
Digging is right. According to old engineering journals I've read, track gauge does not have a significant relationship with curvature; that it does is a common misconception. Apparently, wider gauge may impose a very slight restriction on turning radius, but for practical purposes it is not meaningful. I certainly never meant to post misinformation, so pardon me for that. It's a tricky topic with scattered information, I'm trying my best to collate it together. Bigdan201 (talk) 10:43, 8 June 2017 (UTC)

Conflicting Information in Paragraph "Gauge selection in other countries"Edit

Previously today I read in a Wikipedia article that the ideas that governments selected track gauge with military defense in mind and that narrower gauges allow for tighter turning radiuses are misconceptions. This paragraph states both. What is the real story?Fearga (talk) 21:59, 28 August 2017 (UTC)John Shanahan

Afghanistan IncorrectEdit

According Wikipedia's own article Afghanistan has zero passenger rail and virtually no freight railways. Also, there are three different gauges in use. I think that Afghanistan should be coloured grey on the map with dots of the appropriate colour for the different gauges. See Rail transport in Afghanistan — Preceding unsigned comment added by Golden herring (talkcontribs) 13:10, 1 October 2018 (UTC)

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