Determining Speed Limits

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bigvern
Chief Track Welder
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Joined: Fri Jan 04, 2002 12:00 am
Location: Swindon, England

Determining Speed Limits

Post by bigvern »

A while ago I recollect someone asking if there was a guide to speed limits according to track radius. While browsing around the other day I found a page on this site:

http://www.victorianrailways.net/signal ... signs.html

If you scroll down a bit there is a chart which gives the maximum speed according to curvature. Interesting to compare these with the previous information I found which basically said the speed in km/h on none canted track is arrived through dividing the radius by 5, e.g. a 200m radius curve would have a speed limit of 40km/h (or 25 MPH).

Incidentally the whole site is a wealth of information, particularly the gradient profiles and track plans of current and long closed routes - a resource we could only dream of for UK or US rail lines.
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Retro
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Re: Determining Speed Limits

Post by Retro »

Great site Vern. Thanks for posting the Link.
Kind regards James.
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Blackmonk
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Re: Determining Speed Limits

Post by Blackmonk »

I agree - a great resource.

The semgonline website is perhaps the closest equivalent in the UK.

regards
Ed
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