Quote:
Originally Posted by fusili
Because we need to run a subway every time we encounter a road? 2nd Avenue in New York needs a subway. Geary Boulevard in San Francisco needs a subway. Centre Street in Calgary? Not so much.
I imagine so too. Building a right-of-way that can handle 25K passengers per hour would really help with that, wouldn't you think?
Agreed about turn movements at 16th, so why don't we build a short underpass under 16th (like how the NW LRT does at 16th avenue between Lion's Park and Banff Trail), and perhaps put a station there? That would maintain turn movement capacity, while reducing the amount of underground operations.
Like above, most left turns are at 16th avenue. That can be managed with an underground (or elevated) portion for that one intersection. The good thing with Centre street is that it has two parallel routes that can take on extra capacity within a few blocks (4th and Edmonton Trail).
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With current numbers, sure I believe it can handle it, however, we don't know what's going to happen long-term. The increase in density on the corridor will increase all forms of traffic (hopefully in a better ratio). Switching from 4 lanes down to two:
- leaves very little room for stations at-grade
- there would have to be major restrictions on turning
- limited to no parking
- Alleys would be congested with business deliveries + parkade access for the expected multi-story developments
There's so much more could be done with the surface if it wasn't occupied by the train - pedestrian boulevard & patio space? angled parking? maybe some trees, and 3 lanes (2+ alternating turning)... just some ideas.
...that's if the densification/PlanIt ideal happens, otherwise the street can still be used as is for buses servicing the areas south of Beddington Trail.
Cut & cover tunnels only, and a new bridge. Is it that unreasonable for the flexibility & benefits it offers?