Quote:
Originally Posted by (sub)urban
That interchange at Wilkes.... I don't even know man lol. By the time the ultimate plan is finally taking shape in like the 2040s, you gotta think Wilkes will be a higher-traffic, twinned road, and it doesn't look like this plan is accounting for any growth at all. It's just the same intersection with longer acceleration/de-celeration lanes (which of course are needed).
Feels short-sighted to me that they wouldn't just plan ahead to move the intersection further south, away from the CN tracks so that they could make a full diamond to account for future growth and the eventual twinning of Wilkes.
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They did take population growth into account. Look at St Marys and St Annes. Both diamonds (modified at St Marys) and that area is built up as close as can be. Sure the south side will densify but diamonds are ok for those roads.
Diamond interchanges are fine in situations where a major highway meets a secondary or non-free flow route. Once built-up, Wilkes will have lights at many places along the route.
Fiy wilkes is a folded diamond interchange, it is a full interchange with 4 ramps, just with 2 of them doing 180 turns. It will be adequate once the ramps are extended.