Quote:
Originally Posted by chemgear
I recall a math professor ranting many years ago that the bridge and adjoining sections of road were not continuously "smooth" (ala calculus and associated derivatives along the path of the road). Perhaps a civil engineer would have a better idea though.
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I think you're talking about how it was designed without using spiral curves.
http://en.wikipedia.org/wiki/Logarithmic_spiral
Usually freeways are designed with these so that as you're driving the curve tightens in radius, allowing you to slowly adjust your steering angle. It's a safety feature.