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  #15541  
Old Posted May 1, 2021, 7:20 PM
milomilo milomilo is offline
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Originally Posted by swimmer_spe View Post
Clear as mud.

So, LRT may not in fact be RT, and even if commuter rail is in it's own ROW with signal priority, it may still not be RT?
And Streetcars could be LRT, but not RT?

This is why getting stuck on what all those acronyms and all the different labels mean tends not to go well.
It doesn't matter, trying to find a strict definition that everyone agrees on achieves nothing practically.
     
     
  #15542  
Old Posted May 1, 2021, 8:04 PM
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I think the issue is that there's a big difference when looking at transit from the perspective of the rider experience which tends to be very simplistic (how do I get where I'm going as quickly and effortlessly as possible?) compared to the planner perspective of how to achieve a wider set of goals. The planner needs to consider which technology, implementation and combination thereof to use to move people relative to the upfront and long term cost rather than just end user experience (which is still important of course).

If a rider wants to get 15km across town and finds out there's a rail line that will take them where they want to go, leaves when they want to leave and will take 25 min which they consider an acceptable duration, what difference does it make if it's LRT, commuter rail, or metro? But for the planner trying to decide which technology (or combination thereof) to use to provide such a trip, the differences are VERY important. The difference could mean millions or billions of dollars in cost, vastly different construction times, levels of disruption, reliability and operating/maintenance cost. Ultimately the decision could determine whether or not the project is successful or is even constructed.

So it really comes down to which perspective we want to speak from.
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  #15543  
Old Posted May 1, 2021, 9:18 PM
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Originally Posted by FrAnKs View Post
great video. Now another line, with several branches, has been announced for the East End.
https://www.cbc.ca/news/canada/montreal/light-rail-network-montreal-east-end-1.5842032

Wooty times for Montreal rapid transit.
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  #15544  
Old Posted May 1, 2021, 9:27 PM
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Quote:
Originally Posted by swimmer_spe View Post
Clear as mud.

So, LRT may not in fact be RT, and even if commuter rail is in it's own ROW with signal priority, it may still not be RT?
And Streetcars could be LRT, but not RT?

This is why getting stuck on what all those acronyms and all the different labels mean tends not to go well.
Commuter rail like GO Train is fast, faster than TTC subway, but what does GO's rail and bus system sacrifice to achieve such speeds? How many people can actually benefit from those higher speeds? How many people can use that service at all? When can they use it?

Likewise, the upcoming Hurontario LRT will be as fast as Yonge subway, maybe even faster, but it will be sacrificing capacity to achieve such speeds (smaller trains, lower frequencies, wider stop spacing). If Hurontario LRT had to carry the same amount of people as Yonge, would the speed still be as high?

I remember in 2004, buses on Hurontario were every 10 minutes all day, all articulated buses, but the buses often said "Sorry... bus full" and so would not let anyone on and they had to skip the stop and leave me and so many others to continue waiting. Often that year I saw 2 or 3 or even 4 buses travelling together in a line, approaching the bus stop together all at once. That's why they finally introduced express buses in 2005. And that's why LRT is under construction now. Buses were becoming ridiculously overcrowded, and they were getting slower and slower and constantly falling behind schedule as a result of the crowding conditions on the buses and at the bus stops.

That's the reason we build rapid transit or implement features of rapid transit in Canada. 19 Hurontario got too overcrowded so they introduce 102/103/202/502 Hurontario Express/Intercity Express/Main Zum, and soon Hurontario LRT. Ottawa BRT too overcrowded so it needs conversion to LRT and downtown tunnel. Yonge Line too overcrowded so they are building Ontario Line. That's what makes rapid transit in Canada different from the US. They build it to try to encourage people to use transit, we build it because too many people use transit, and I think that is what rapid transit is really all about.
     
     
  #15545  
Old Posted May 1, 2021, 9:57 PM
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Quote:
Originally Posted by milomilo View Post
It doesn't matter, trying to find a strict definition that everyone agrees on achieves nothing practically.
It makes it easier to speak to everyone and use the proper terminology.

Quote:
Originally Posted by Nouvellecosse View Post
I think the issue is that there's a big difference when looking at transit from the perspective of the rider experience which tends to be very simplistic (how do I get where I'm going as quickly and effortlessly as possible?) compared to the planner perspective of how to achieve a wider set of goals. The planner needs to consider which technology, implementation and combination thereof to use to move people relative to the upfront and long term cost rather than just end user experience (which is still important of course).

If a rider wants to get 15km across town and finds out there's a rail line that will take them where they want to go, leaves when they want to leave and will take 25 min which they consider an acceptable duration, what difference does it make if it's LRT, commuter rail, or metro? But for the planner trying to decide which technology (or combination thereof) to use to provide such a trip, the differences are VERY important. The difference could mean millions or billions of dollars in cost, vastly different construction times, levels of disruption, reliability and operating/maintenance cost. Ultimately the decision could determine whether or not the project is successful or is even constructed.

So it really comes down to which perspective we want to speak from.
I'll use my city as an example....
Greater Sudbury is a municipality that covers more area than the GTA. From the downtown, its about 100km each way. Population is around 170k. So, what would be the best RT for it, if the city was flush with cash?

BRT would work well, but would it really drive people to ride transit if they currently don't? Not likely.
Subway/Metro would be great, but very costly and not worth it for the ridership that it might gain.
Replacing the busy routes with an LRT would work well.

But there is something that likely could be done cheaper, and would be able to draw more people to it. The city is criss crossed by railways. CN and CP go through the city and connect to most of the outlying areas. HCR and OVR connect other areas to the downtown core as well. For the cost of a few DMUs or coaches and engines you could have an RT system that would be rivaling the GO train for length, and it would be within the city limits.

Not suggesting any of these ever get done, but you see how they all look and how they all have different, but important uses. If the city announced a BRT, the locals would be happy about it.

Quote:
Originally Posted by Doady View Post
Commuter rail like GO Train is fast, faster than TTC subway, but what does GO's rail and bus system sacrifice to achieve such speeds? How many people can actually benefit from those higher speeds? How many people can use that service at all? When can they use it?

Likewise, the upcoming Hurontario LRT will be as fast as Yonge subway, maybe even faster, but it will be sacrificing capacity to achieve such speeds (smaller trains, lower frequencies, wider stop spacing). If Hurontario LRT had to carry the same amount of people as Yonge, would the speed still be as high?

I remember in 2004, buses on Hurontario were every 10 minutes all day, all articulated buses, but the buses often said "Sorry... bus full" and so would not let anyone on and they had to skip the stop and leave me and so many others to continue waiting. Often that year I saw 2 or 3 or even 4 buses travelling together in a line, approaching the bus stop together all at once. That's why they finally introduced express buses in 2005. And that's why LRT is under construction now. Buses were becoming ridiculously overcrowded, and they were getting slower and slower and constantly falling behind schedule as a result of the crowding conditions on the buses and at the bus stops.

That's the reason we build rapid transit or implement features of rapid transit in Canada. 19 Hurontario got too overcrowded so they introduce 102/103/202/502 Hurontario Express/Intercity Express/Main Zum, and soon Hurontario LRT. Ottawa BRT too overcrowded so it needs conversion to LRT and downtown tunnel. Yonge Line too overcrowded so they are building Ontario Line. That's what makes rapid transit in Canada different from the US. They build it to try to encourage people to use transit, we build it because too many people use transit, and I think that is what rapid transit is really all about.
There is no one perfect system. Each system will have drawbacks. It depends on what you are trying to achieve. The Confederation Line might end up like Yonge Line due to the shortsightedness of the planners. A second downtown line through Ottawa may be needed in the next 20 years as a relief. Governments tend to want something nice and shiny and not focus on the future. Ottawa should have gone with something like what is in Montreal or Toronto.
     
     
  #15546  
Old Posted May 1, 2021, 10:28 PM
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Originally Posted by Chadillaccc View Post
It's crazy to think that even after all of this super impressive construction for the O-Train, it will only be matching the C-Train's current length when complete, though with fewer stations.
Yay Calgary. It's not a competition.


Quote:
Originally Posted by ShavedParmesanCheese View Post
You might not expect it, but Metro is actually of British origin. The oldest underground rapid transport service is actually the Metropolitan Line (previously it's own railway) in the London Underground, opened in 1863. The word Subway, too, used to have a different meaning. In the 20s, when the corridor in Toronto was grade-separated, the streets which passed under were referred to as subways.

Why do we call the transport system a subway? Probably something to do with New York.
Yes it's real interesting when you look back at the history and where the terminology originated from. I knew about London having the oldest system .Lots of things got done during the Industrial Revolution. An operational underground metro in London circa 1860's.Real impressive!
     
     
  #15547  
Old Posted May 2, 2021, 12:54 AM
milomilo milomilo is offline
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Originally Posted by swimmer_spe View Post
It makes it easier to speak to everyone and use the proper terminology.
In this case, not really. The only time the exact definition matters is if someone is trying to skew some stats to make one city look better or worse than another. For the most part though, the delineator that grade separation = metro and everything else is LRT suffices.
     
     
  #15548  
Old Posted May 2, 2021, 2:38 AM
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Originally Posted by milomilo View Post
In this case, not really. The only time the exact definition matters is if someone is trying to skew some stats to make one city look better or worse than another. For the most part though, the delineator that grade separation = metro and everything else is LRT suffices.
How grade separated is enough? Is the Confederation line a metro? What about the Crosstown?
     
     
  #15549  
Old Posted May 2, 2021, 10:40 AM
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Quote:
Originally Posted by MolsonExport View Post
great video. Now another line, with several branches, has been announced for the East End.
https://www.cbc.ca/news/canada/montreal/light-rail-network-montreal-east-end-1.5842032

Wooty times for Montreal rapid transit.
Indeed! It's a fantastic project overall, I'm just not a huge fan of the REM's train design, I think they could have done better, but hey, I'll take it anyway!!
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  #15550  
Old Posted May 2, 2021, 2:59 PM
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Originally Posted by swimmer_spe View Post
How grade separated is enough? Is the Confederation line a metro? What about the Crosstown?
The Confederation Line is an edge case because of their choice of vehicles. Crosstown is a clear cut case though - it's got substantial street running and pedestrians can cross the tracks, it's definitely LRT.
     
     
  #15551  
Old Posted May 2, 2021, 4:20 PM
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It should be noted that when the Confederation Line was initially conceived, around 2008-2010 or so, it was very much intended to be an LRT. The idea was that it would be a branching system, with several branches to different suburbs all merging together into a single trunk line through the central part of the city. The "trunk" line would have metro-like characteristics (high frequency due to all the lines merging together, big stations to account for high passenger volumes, grade separation to allow that high frequency, etc.), but in the "branches" it would be more LRT like, with at-grade crossings, some running in street medians, more modest stations, etc. due to the lower capacity and ridership needs on the branches.

When Ottawa actually made the technology choice, they actively considered both light metro trains (like what REM is getting), and the LRT vehicles they ultimately bought, but decided in favour of the latter primary to preserve the ability to extend to the suburbs with this branching model.

As the project matured, this was abandoned. It was decided that converting the Trillium line to LRT technology was too expensive, so it's 2 branches were made a separate line requiring a T-transfer at the trunk, earlier plans for tram-like branches on urban streets like Carling and Rideau-Montreal were abandoned, and a proposed branch in South Orleans was converted to BRT instead; with all these changes, it meant the line was only branching once. Furthermore, a major railway accident happened in 2013, when a BRT bus collided with a Via Rail train causing several deaths and many serious injuries - this made the idea of at-grade crossings politically toxic and from that point on Ottawa was forced to pursue 100% grade separation of all rail projects for political reasons.

Another reason for this change in the plans was as the planning and design for the downtown tunnel matured, it became apparent that the huge stations they initially planned for the downtown core were not going to fit within the budget, so they made the downtown underground stations smaller, which also allowed the tunnel to be much less deep (the stations are about 15m down, as opposed to the ~40m that was originally planned). But this made the multi-branch model very problematic, as a multi-branch model causes many people to have to wait underground for their specific train to come by, so you need much bigger platforms. So dropping the multi-branch idea was necessary to make the downtown tunnel affordable.

So basically, the Confederation Line "mutated" from what was originally a multi-branch LRT line with a metro-like central trunk, to simply being a light metro line. Ironically, given that change, the whole reason why the city chose LRT vehicles over light metro ones is now invalidated and light metro vehicles would have made so much more sense.
     
     
  #15552  
Old Posted May 2, 2021, 4:59 PM
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Originally Posted by CityTech View Post
So basically, the Confederation Line "mutated" from what was originally a multi-branch LRT line with a metro-like central trunk, to simply being a light metro line. Ironically, given that change, the whole reason why the city chose LRT vehicles over light metro ones is now invalidated and light metro vehicles would have made so much more sense.
Thanks for the summary - that lines up with what I understood but added some meat to it. Is street running completely out of consideration now?
     
     
  #15553  
Old Posted May 2, 2021, 11:30 PM
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Thanks for the summary - that lines up with what I understood but added some meat to it. Is street running completely out of consideration now?
There is a plan on the books for a street running line on Carling Avenue but it's almost certainly going to be an isolated line.
     
     
  #15554  
Old Posted May 3, 2021, 1:11 AM
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There is a plan on the books for a street running line on Carling Avenue but it's almost certainly going to be an isolated line.
Do you have a link for it?
     
     
  #15555  
Old Posted May 3, 2021, 1:32 AM
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Pimisi Station on Lebreton Flats in downtown Ottawa. This area will be VERY different looking in five years.

Photo_6553787_DJI_187_jpg_4189917_0_2021429154512_photo_original by harley613, on Flickr
     
     
  #15556  
Old Posted May 3, 2021, 4:52 AM
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Do you have a link for it?
It appears on all the city's long term planning maps but I don't think there's any detailed plans.
     
     
  #15557  
Old Posted May 3, 2021, 8:22 AM
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Originally Posted by milomilo View Post
In this case, not really. The only time the exact definition matters is if someone is trying to skew some stats to make one city look better or worse than another. For the most part though, the delineator that grade separation = metro and everything else is LRT suffices.
LRT seems like a term cooked up in the '70s for cities that weren't able to support metro rail, needed rail transit, and didn't want to admit that they'd messed up when they ripped out their light rail systems only 20 years earlier.

"No, no, that was a streetcar. Fucking garbage. This LRT is something else entirely: a cheap metro system"

RT is a similarly fudgy term. It's just anything that isn't stuck in traffic.

I agree with you; the difference is about skewing stats--municipal-micropenis compensation. What matters is if it gets people where they want to go.
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  #15558  
Old Posted May 3, 2021, 1:29 PM
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Originally Posted by CityTech View Post
It appears on all the city's long term planning maps but I don't think there's any detailed plans.
This reddit thread has a map of the Carling LRT with stops or stations. It looks somewhat official in origin.

https://www.reddit.com/r/ottawa/comments/hz8brt/2031_carling_lrt/
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  #15559  
Old Posted May 3, 2021, 1:31 PM
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Originally Posted by swimmer_spe View Post
Do you have a link for it?
To echo CityTech's response, the Carling streetcar is the municipal equivalent of a sketch on a napkin. No studies, no website, just a line on a map.

When Stage 1 was approved, they did look in more detail the possibility of using Carling as the Confederation Line route. This is partly the reason why Tunney's is the terminus of the Confed today (that, and it's an important destination itself, reducing the number of transfers to the rail network).

Options to extend the Confederation Line west were:
  • The Ottawa River (now Sir John A. Macdonald) Parkway, which has been used by Transitway buses for decades. The NCC vigorously rejected that idea, but the City looked into it anyway. Considering it's a long and winding road, where stations would be at the farthest possible point from the residents, I thank the NCC for their decisiveness, even if there reasoning may not have been the same.
  • Carling Avenue, which would have required extensive and disruptive tunneling, multiple 90 degree turns and possibly a few weird rail spurs and abandoned Transitway sections.
  • The Richmond-Byron corridor, which was ultimately chosen, as it's the cheapest, straightest and most efficient route. It fully utilizes the old Transitway trench along Scott, a former CPR railway along the Parkway and the former streetcar route along the Byron linear strip. Why they needed years to figure that out, I have no clue.

Here's map of the options, in order I posted above.


https://www.westsideaction.ca/west-lrt-part-iii-ottawa-river-corridor/


https://www.westsideaction.ca/west-lrt-part-ii-carling-options/


https://www.westsideaction.ca/west-lrt-part-iv-the-scottbyron-route/
     
     
  #15560  
Old Posted May 3, 2021, 1:52 PM
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Quote:
Originally Posted by Acajack View Post
This reddit thread has a map of the Carling LRT with stops or stations. It looks somewhat official in origin.

https://www.reddit.com/r/ottawa/comments/hz8brt/2031_carling_lrt/
It's a different style than the official maps (although similar) and contains some obvious spelling mistakes (Broadview -> Boradview, etc.). As much as I'd love it to be official, this is unlikely to be.
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