Quote:
Originally Posted by 4X4
Bovine fecal matter.
Speed limits are designed to accomidate the lowest common denominator.
100 on Deerfoot on a nice day is like walking.
Ditto for 80 on Glenmore, Sarcee, Stoney Tr, Crowchild...
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Not true at all my friend. My wife is a civil engineer that specializes in transportation and I can assure you that the curvature of the road, the sight lines, change in elevation, all of it - is based on what the speed limit of the road is going to be. The scary part is that the safety of the road (i.e. the driver's ability to react to a dangerous situation) is greatly reduced the more you go over that limit... there really isn't a lot of safety factor built in.
Using your example, I very much doubt that Deerfoot was designed for a speed limit of 140kph and then the city decided to put up a 100kph speed limit.