Quote:
Originally Posted by Acey
People say this all the time, but it often doesn't apply to the major routes. Alberta seriously cranked up their engineering standards for roads in regards to merge distances, grades, and the allowed radius for curves. Anyone who has driven on the new southeast part of Stoney Trail would probably say it is Autobahn-quality or better, but in reality it only meets Alberta's 110 kph design standard (you'll have to ask AB Trans why their policy is to sign 10 below the standard, but 10 kph is not "far, far below"). Deerfoot Trail, for example, is nowhere near the current 100 kph design standard.
I can't say I'm opposed to these new extremely strict standards they have for engineering roads here.
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I thought it was pretty standard to set the posted limit 10 kph lower than the design limit. That's generally what I've seen in my experience.