CDL.TO
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You missed the point Chris.
You are suggested that we go out and find some sort of car style that would be capable of being used both within the tunnels and on the street. While that in and of itself is not insurmountable, the main sticking points is going to be how to deal with the different station configurations above and below ground. Reusing the existing infrastructure of the Sheppard subway would require a high-floor car. The surface stops are designed for a low-floor car. How do you reconcile the differences between the two different designs standards?
I'm not sure how I missed the point. You mentioned that we shouldn't get locked into dealing with a single vendor, and I pointed that what I am suggesting would not require us to be locked into a single vendor. Please elaborate on the point that I missed so we can work this out.
As for the high floor issue, I've already made a number of posts in this thread about how we deal with that, offering the Los Angeles Expo Line and other examples as models to follow.
And we could run buses instead of having built a subway. Does that mean that it would be an efficient use of resources? Of course not.
We know that building a subway under Sheppard wasn't the right choice. But it's what we've got, and in the absence of an easy, cost-effective manner of "fixing" it, we may as well keep working with it rather than against it. The planned connections at Don Mills Station were just a part of the plan to make it better.
You're right that running buses wouldn't make much sense! I'm glad you agree that these things should be analysed rather than simply choosing a solution (be it subway or low floor LRT) and building without consideration of alternatives.
As for "in the absence of an easy, cost-effective manner of "fixing" it", that is the whole point of my proposal! It's easy, cost effective, and "fixes" the transfer issue! We're not the first place to have had this issue, other people have already solved it for us! I'm excited, why aren't you? We found a potential low cost solution! How exciting!
(OK, I'm getting ahead of myself. This discussion is to figure out whether dual-mode LRT could be an affordable solution. Haven't heard a technical reason why not yet.)
You would be surprised. Just because it's never been mentioned publicly doesn't mean that they haven't had discussions and internal reports about it. A lot of stuff goes on behind the scenes that never makes the light of day.
I wouldn't be surprised that they briefly considered it, no. But I would be surprised if a proper analysis was done. But I admit I could have worded things a bit differently by instead saying "This is question that the TTC has never answered".
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