I see. Any in case, the BC solution would be to channelise the exit and entrance ramps, such that you can't merge into anything more than the acceleration lane, and that you can't continue straight from the deceleration lane. Chevron markings and a raised island provide the channelisation necessary.
Well, that sort of thing has been done before, such as in a whole pile of locations just to the north of there on Highway 11. But that's a road with a lower design speed and lower classification. And with
I'm guessing that the MTO doesn't consider BC's solution feasible? The example below (which I posted on the last page) is from the Sea to Sky Highway, which is more of an expressway, granted. But it feels more like a freeway than the Canal Road ramps. In the interim, I think it would be smart for the MTO to install small raised islands between the deceleration and acceleration lanes, until the interchange can be replaced entirely. At least to make things feel more natural. At the very least, paint some guidance lines and remove the stop sign. Why force traffic to stop when there's an acceleration lane?
Oh, that type of solution is feasible, but Ontario stopped designing interchanges like that about the same time they stopped building ones like Canal Road (seriously, a loop to pull a 180 degree turn within 20 m?).
In terms of interim solutions, sure you could channelize the throat of the intersection, but what problem will that hope to solve? In the last five years, the number of collisions that have occurred at the ramp terminals that might, MIGHT, be prevented by that solution is 1. A single collision. The number of collisions resulting from wrong way movements is a big fat zero. So you could spend money here to fix something that is a terrible design, but functions spectacularly well. Or you could spend money practically anywhere else in the province and definitely achieve a better cost/benefit ratio.
It's a terrible design. It really gives no room for error, it serves a lousy side road, and its spacing will not accommodate the planned widening of the highway. It needs to go, but since there's no demonstrated safety issue there then there's zero sense spending money on it until you absolutely need to do so.