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I hope I'm using the correct Forum. Reading a HS2 thread I learnt something of the limits on permitted horizontal curvature. Eager to learn more I searched for further detail which led me to a couple of brief mentions on vertical curves. I'm keen to understand more about these but despite...
Evening all! I've been following these pages for some time but rarely post. I am interested in what I imagine will be a theoretical question - my apologies if it is inappropriate but my hope is that the expertise to be found on this forum will at least satisfy my curiosity and hopefully...
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