Quote:
Originally Posted by jolinar of malkshor
For those that say that the roads are designed only for the posted speed limited, that is not the case. Speeds are adjusted all the time on highways, up and down depending on circumstances
|
They were saying roads were designed for a speed limit, with a safety factor used as well. There is a margin that a speed limit can lie within. However, on some roads, there is in fact a set limit since the design does not allow higher speed.
An example of this is Highway 3 between Lethbridge and Coaldale. Many residents complain that this isn't 110km/h like the other 4 lane divided highways in the area. The main reason for it are the approaches/intersections and distance between EB/WB lanes. That road can't handle 110km/h traffic, so the limit is 100.