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  #2581  
Old Posted Mar 10, 2011, 12:10 AM
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Originally Posted by Policy Wonk View Post
No, you certainly haven't.
So you don't think that roughly tripling the current capacity of the 202 line will be enough? Where do you think so many more people are going to start riding from? If you don't see it as a tripling, explain how, because it's fairly simple math. Again going to 4 car trains increases capacity by 33%, removing the 201 line from 7th ave increases capacity by 100% (actually slightly more, since there are more 201 trains than 202 trains). Multiply those together, and we get 267% of the capacity we have now, and that's not accounting for the extra 201 trains. In the future, more improvements could made made in the signalling, to further increase that capacity.

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Originally Posted by Policy Wonk View Post
And for now the ninth time no matter what form the North Central LRT takes Calgary Transit will NOT be able to operate the at the headways they desire to with surface traffic.
So, if the NC line line is buried under centre street, creating no additional crossing points with traffic downtown than there currently is, and capacity on the 202 line will be tripled for what it currently is, with headways exactly the way they are today (which should be enough for 100 years), how does that mean that CT will not be able to operate at the headways they desire. They are operating mostly fine right now, and if anything, the headways would be greater than they are now for many years.

Once the 201 line is under 8th ave, and if a SE-NC line is underground all the way through downtown, the headways CT will have will be significantly BETTER than they are RIGHT NOW for the rest of our lifetimes, since the 202 line won't need more than double the capacity that they have now, for many years.
     
     
  #2582  
Old Posted Mar 10, 2011, 12:10 AM
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Originally Posted by Policy Wonk View Post
No, you certainly haven't.

And for now the ninth time no matter what form the North Central LRT takes Calgary Transit will NOT be able to operate the at the headways they desire to with surface traffic.
Just to be clear, all of us are assuming the Stephan Avenue Subway gets built and is used for the NW/South line while the NE/West line continues to use the 7th Avenue ROW. The Nose Creek Line would interline with the NE/West line. The NE/W line having exclusive use of the 7th Avenue ROW can operate at the headways they desire. That is the point of the Stephan Avenue Subway.

If Calgary Transit wants 3 minute headways on the NE line, they can't do it by interlining with the NC LRT. Interlining the NE line and Nose Creek line puts us right back into the same situation we are in now. So any benefit of the Stephan Avenue Subway on the NE/West line is lost immediately.
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  #2583  
Old Posted Mar 10, 2011, 12:16 AM
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That is all well and good, but it doesn't really serve to mitigate the tremendous political, financial and practical challenges that would go with the subway and intensification route.
The Nose creek route may not have political challenges, but the financial and practical challenges will be nearly equal, when everything is accounted for.

Like I said, the nose creek route would requires a massive project to increase capacity on 7th ave, and that would pretty much eat up any cost savings by going to the Nose Creek route.
     
     
  #2584  
Old Posted Mar 10, 2011, 12:17 AM
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Correct me if I am wrong, but is the Transbay tube not using BART gauge tracks, but the same gauge of tracks as Caltrain and the future High Speed Rail? Which is why the future Geary line is more likely to use the Caltrain gauge of track.

But now we are off topic a bit.
The Transbay Tube is "Broad Gauge" but it isn't really an operational issue. The proposed second tunnel would have provisions for HSR but it can't run on the same track of any gauge per FRA crash standards.

The FRA gets beat up alot by passenger rail enthusiasts but none of their regulations are actually that unreasonable.
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  #2585  
Old Posted Mar 10, 2011, 12:38 AM
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Originally Posted by You Need A Thneed View Post
So you don't think that roughly tripling the current capacity of the 202 line will be enough? Where do you think so many more people are going to start riding from? If you don't see it as a tripling, explain how, because it's fairly simple math. Again going to 4 car trains increases capacity by 33%, removing the 201 line from 7th ave increases capacity by 100% (actually slightly more, since there are more 201 trains than 202 trains). Multiply those together, and we get 267% of the capacity we have now, and that's not accounting for the extra 201 trains. In the future, more improvements could made made in the signalling, to further increase that capacity.
Calgary 2040: Official Estimated Population 1.5 Million. Enormous residential growth will occur in the N.E. as will the N.E. develop as an employment centre. I don't plan on being alive in 2040 but I would make that bet.

And improved signaling doesn't really increase capacity when trains are yielding to other traffic. Unlike the BART example where a corridor is more or less saturated with other rail traffic, in Calgary the traffic is surface traffic the train is yielding to. At that point you simply have to separate the two.
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  #2586  
Old Posted Mar 10, 2011, 12:41 AM
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Originally Posted by You Need A Thneed View Post
Like I said, the nose creek route would requires a massive project to increase capacity on 7th ave, and that would pretty much eat up any cost savings by going to the Nose Creek route.
And now for the tenth time... that will have to happen with or without it, Calgary Transit can not run 2-3 minute headways on 7th ave. in any combination of routes today or tomorrow at grade without significant delays. If you are running at that level and 21-25% (as they are today) of trains are falling behind schedule your are just making a mess.

The 21%-25% is for route 202, I have no idea what it is for 201.
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Last edited by Policy Wonk; Mar 10, 2011 at 12:55 AM.
     
     
  #2587  
Old Posted Mar 10, 2011, 1:07 AM
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Originally Posted by Policy Wonk View Post
They already schedule it, U of C did a study on this just last year concerning the NE line that was presented at the World Conference on Transport Research. Between the hours of 6 and 9 am 25% of trains are delayed more than a minute traveling between 3rd and 10th street and 21% traveling between 10th street and City Hall.
That doesn't mean much. 1 minute delay on one train will cascade causing every train after that to run 1 minute behind assuming the absolute minimun headway between trains. I'm shocked that number isn't 90%. In the grand scheme of things 20+ trains make it through so your still under 3 minute headways.

Last edited by Koolfire; Mar 10, 2011 at 1:46 AM. Reason: had "the is the" when should just be the
     
     
  #2588  
Old Posted Mar 10, 2011, 2:06 AM
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Noticed today that the Digital 'Arrival' sign on the 1st St station is removed. An indication that new GPS equipment is coming soon, or broken?
     
     
  #2589  
Old Posted Mar 10, 2011, 2:54 AM
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Originally Posted by MalcolmTucker View Post
It is pretty hard to design a system that will break in 30 years plus a day but be perfectly fine at 30 years!

If the city's estimate is too low, it would similarly be too low for 5 car low floor LRT. No advantage either way. the low floor LRT will already be an incompatible system so no disadvantage there if the P3 bidder proposed something else.


If the bidder decided to do a automated light metro instead of low floor LRT, higher frequency can be used with smaller trains to meet capacity demands at all times of day. In that specific case outside of rush hour when capacity would meet supply for both systems, an automated light metro provides a higher service quality, even if it provides the same service quantity.

The whole point is to have all these options costed out so the city can make a rational decision, not to be bound to any one choice early in the process. If low floor LRT wins so be it - same likewise to monorail, ALRT, light metro, high floor LRT, but the decision will be made with eyes open, not only looking at the upfront sticker price.
I'm not saying that it would break as soon as the city takes possession but there are all kinds of issues that could cause the city headaches in the long term while saving the bidder money. Replacing two fleets of vehicles can be more expensive than one, especially if we end up locked into some kind of proprietary technology. Platform extensions can be easy or near impossible. These are things the bidder has no reason to care about while the city should care about them. Exporting decision making just gives no guarantee that better decisions will be made. If it can be built cheaper at the city's expense, it would be.

The Canada Line will look like a very bad idea if Translink is forced to extend platform lengths and is unable to freely utilize future vehicle purchases on whichever line ends up needing it more in the future.

I'm not in favour of using low floor trains either way. I see no reason why the SE LRT should use a different technology from the rest of the system. The only upside would be letting Auburn Bay have sidewalk stations, which seems somewhat pointless.
     
     
  #2590  
Old Posted Mar 10, 2011, 3:03 AM
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Originally Posted by kap384 View Post
Noticed today that the Digital 'Arrival' sign on the 1st St station is removed. An indication that new GPS equipment is coming soon, or broken?
New signs are cooing by next month for the gps equipped system. They've removed all the signs on all the 7th avenue stations.
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  #2591  
Old Posted Mar 10, 2011, 3:22 AM
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Originally Posted by mersar View Post
New signs are cooing by next month for the gps equipped system. They've removed all the signs on all the 7th avenue stations.
Nice! I've actually missed the old signs, they were more useful than I thought. I'm glad the new signs are coming so soon.
     
     
  #2592  
Old Posted Mar 10, 2011, 3:58 AM
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Whew. 90 posts since I last had time to check the thread. But, I read it all. I think that if people considered other people's arguments (almost every thing I read was a good argument) then we would make progress. Instead, we get locked in one viewpoint. That's bad debate.

Policy Wonk, I wrote out a good page of counter-arguments for you, half of which were later put forth by other posters such as fusili, sim, YNAT, Bassic Lab, and TheChemist. But, you have already decided what is absolute fact. You can read them if you'll actually consider what I've written. I agree with the above posters, mostly, but I have my own perspective too.

So, I'll just answer this one, cause I have opinions too:

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Originally Posted by Policy Wonk View Post
But why don't we cut the bullshit and get back to what this is really about.

Most of you don't care about headways, right-of-ways and had probably never heard of interlining before this topic. This is about favoring the subway concept over the Nose Creek plans because Nose Creek is perceived to be in the service of the suburbs, which it is and the Centre Street subway would be a catalyst for the intensification of Centre Street.

That is all well and good, but it doesn't really serve to mitigate the tremendous political, financial and practical challenges that would go with the subway and intensification route.
We know about headways, right-of-ways, and especially interlining, which is half our capacity problem. We easily know as much as you do. Some of us are using the intensification as the main angle, but most of us are using the angle that a subway will serve BOTH functions and not ONLY suburbanites or residents of intensification. We know what the political, financial, and practical challenges are, and you've apparently missed several good strategies for dealing with them that were posted.

I favour the subway concept for this reason: it serves people. It does not skip areas people would want to travel to and from. Look at how many people use the 301, and especially the 3, there are obviously reasons to travel to places on Centre St. Additional costs are made up for by the sheer potential for ridership it provides.

You are essentially advocating ignoring everyone but *one* demographic of ridership. Just like how the South line works, a line that was built with similar poor planning and would have hit high levels of ridership had it been built along Macleod somehow instead of out of the way along a rail corridor with stations far from everything. It would not need to depend on suburban travel from the far far south if it caught more ridership further in. But, that's almost a separate argument of its own.

Ultimately, I advocate building a system that provides rapid transit, and from there feeder and crosstown routes, to ultimately reach as many places in the city as efficiently as possible. I use myself as an example. I now commute from Dalhousie to Centre St like a suburbanite. But, I also counter-commute to Crowfoot. And, I take more train trips to various stations all over the city than either of those. I know plenty of people who do the same, and plenty of people who don't do the downtown commute at all. And many of them have cars.

If we are going to provide a service, why not make it useful to as many people as possible? This is efficiency, this generates more ridership, this is not merely a flight of fancy. This is not about "cool". It's about being USEFUL. And people USE a useful transit system.


That is my perspective, and other than to clarify it if asked, I'm not going to prolong the debate further. Next topic. We can come back to this one after the NCLRT consultations, at which we can voice all these arguments.
     
     
  #2593  
Old Posted Mar 10, 2011, 4:13 AM
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Originally Posted by Bassic Lab View Post
I'm not saying that it would break as soon as the city takes possession but there are all kinds of issues that could cause the city headaches in the long term while saving the bidder money. Replacing two fleets of vehicles can be more expensive than one, especially if we end up locked into some kind of proprietary technology. Platform extensions can be easy or near impossible. These are things the bidder has no reason to care about while the city should care about them. Exporting decision making just gives no guarantee that better decisions will be made. If it can be built cheaper at the city's expense, it would be.

The Canada Line will look like a very bad idea if Translink is forced to extend platform lengths and is unable to freely utilize future vehicle purchases on whichever line ends up needing it more in the future.

I'm not in favour of using low floor trains either way. I see no reason why the SE LRT should use a different technology from the rest of the system. The only upside would be letting Auburn Bay have sidewalk stations, which seems somewhat pointless.
The whole point is not to reduce construction expenses, but to reduce total project expenses including maintenance, operating, etc over the 30 year time frame (I choose 30 years since it is typical for these sorts of deals.

Sure, if the city made decisions the same way, they could make the same decisions that a bidder would. But they don't. The biggest gain is from having politicians and planners deciding what they want the project to do before they have a price tag in front of it. Locking down the scope saves money and is something politicians are really bad at. For example the original scope of the west LRT didn't include the grade separation at 45th St or the interchange at Sarcee and 17th Ave. While we might like the things that are added, we don't need the McKnight - Nosehill Dr connector project added to the NC LRT for example. You are buying a transit system first and foremost, and an extra bauble shouldn't be needed to pacify the local councillor.

For vehicle fleets I get the concern about orphan or proprietary technology but it is misplaced. You might be surprised that Calgary and Edmonton basically operate an orphan technology right now - we are just lucky that the vehicles we have were developed (the SD-100s/160s) at all. They were developed as low floor walk up trains before modern style low floor trains became widespread. Any advanced signalling system is by design proprietary. Even odd tech doesn't bind you to certain suppliers - there is at least one system in Asia which had an initial bombardier skytrain fleet which is now augmented by cars by another manufacturer. Right now the plan is to have another fleet already since it will save initial capital costs. How is that going to change going down the path we are on now I ask?
     
     
  #2594  
Old Posted Mar 10, 2011, 4:17 AM
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And now for the tenth time... that will have to happen with or without it, Calgary Transit can not run 2-3 minute headways on 7th ave.
I was thinking over the NE route and headways and realized that without a restructure of NE LRT along 36th ave, 3 minute headways are going to be the max. 2 minute headways traffic wouldn't be able to cross the tracks reasonably. It's pretty bad currently with 6 minute headways, 3 minutes is going to be really really bad, 2 minutes impossible. You have to remember a train in that area has right of way and shuts down the intersection for about 30-40 seconds, with trains heading in opposite directions intersections are going be closed 30-80 seconds every 120 seconds. That's going to be brutal. Interchanges at most of the intersections are difficult fit. They would be quite costly.


So I see no reason to bury 7th ave if it's only W-NE until 36th is redone. And at least 20 trains make it through 7th ave with normal conditions with regular traffic congestion. So 3 minute headway.

So once we start talking burying 7th plus Nose Creek vs SE LRT plus centre street subway. It would be irresponsible by the city and Calgary transit not to make a fair comparison. If they ram Nose Creek and burying 7th ave without a study comparing the options, I would be asking for a criminal investigation. Until the day the shovel is in the ground these two options are going to be rehashed over and over again. This isn't a bad thing. Things change and plans should reflect the changes as best possible.

There's also another consideration, the 17th Ave East LRT, one version has it interlining at Max Bell. There's only capacity even with 7th ave subway to have 2 lines interconnected. So it's either NC or 17th plus NE not all 3.
     
     
  #2595  
Old Posted Mar 10, 2011, 5:37 AM
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You brought up some good points Koolfire.

I'm wondering if it would be possible to avoid interlining on a Nose Creek alignment by running a north line on top of the NE line from Memorial into DT. It would continue onto 7th Ave running above ground, with the NE-W line running underground. If it is possible, how might the cost per km compare to burying a line?

Such a thing might never be needed if both lines can run on 3 minute headways with an interlined portion running into an underground downtown portion on 1.5 minute headways. The north line would have to have a spur built in DT to allow north line trains to turn around off the 7th Ave alignment.

As far as a Centre street line goes, I see no reason to bury it north of 64th Ave. You'd have to bulldoze 19 houses north of Beddington Dr. If you're going to piss off the whole area with densification, you might as well take out a few houses and at least save some money.
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  #2596  
Old Posted Mar 10, 2011, 5:51 AM
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Whew. 90 posts since I last had time to check the thread. But, I read it all. I think that if people considered other people's arguments (almost every thing I read was a good argument) then we would make progress. Instead, we get locked in one viewpoint. That's bad debate.

Policy Wonk, I wrote out a good page of counter-arguments for you, half of which were later put forth by other posters such as fusili, sim, YNAT, Bassic Lab, and TheChemist. But, you have already decided what is absolute fact. You can read them if you'll actually consider what I've written. I agree with the above posters, mostly, but I have my own perspective too.
This isn't a post-modernist humanities course, there are some things that are simply true or not true. This issue has been beaten to death over and over again for thirty years. The only new angle is serious intensification as espoused in Plan It and that only serves to raise demons nobody has the stomach for and could have all sorts of lousy consequences owing to local demagogues who will mobilize to "save the community".

Quote:
I favour the subway concept for this reason: it serves people. It does not skip areas people would want to travel to and from. Look at how many people use the 301, and especially the 3, there are obviously reasons to travel to places on Centre St. Additional costs are made up for by the sheer potential for ridership it provides.
Yes, the 301 - the route that as a proof of concept vindicated the Nose Creek alignment when it was last reviewed in 2006. At peak hours the 301 might as well be the Nose Creek LRT since it is C-Train stuffed before it even reaches Beddington Blvd.

The 3 as it operates on Centre Street is likely to be with us, significantly in that form even with a Centre Street LRT. And the 3 doesn't do a bad job of serving Centre Street. And while dismissed here Calgary Transit believes the Nose Creek alignment will cut about 30% off the travel time compared to the 301 owing to the fact they can operate at high speed for much of the route.

How much of a time savings would the subway save over the 3 south of 64th ave given signal priority?

Quote:
You are essentially advocating ignoring everyone but *one* demographic of ridership. Just like how the South line works, a line that was built with similar poor planning and would have hit high levels of ridership had it been built along Macleod somehow instead of out of the way along a rail corridor with stations far from everything. It would not need to depend on suburban travel from the far far south if it caught more ridership further in. But, that's almost a separate argument of its own.
It isn't about ignoring everyone, it is about recognizing why the LRT is successful and that is because it serves as a quasi commuter rail system.

Where are the people commuting to downtown in the hundreds of thousands coming from? The South line wasn't poor planning but a reflection of the fact Calgary is a substantially a concentric city and to get to the ridership rich areas you have to pass through the wasteland. The light rail systems that are ridership blackholes are the ones that pretend to be streetcars.

Quote:
If we are going to provide a service, why not make it useful to as many people as possible? This is efficiency, this generates more ridership, this is not merely a flight of fancy. This is not about "cool". It's about being USEFUL. And people USE a useful transit system.
The service is public transportation in aggregate, it need not be one size fits all. It doesn't matter if an area is bypassed by the LRT if it can be well served by other means.
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  #2597  
Old Posted Mar 10, 2011, 6:22 AM
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Originally Posted by Policy Wonk View Post
Yes, the 301 - the route that as a proof of concept vindicated the Nose Creek alignment when it was last reviewed in 2006. At peak hours the 301 might as well be the Nose Creek LRT since it is C-Train stuffed before it even reaches Beddington Blvd.
I always though the 301 was more of a band-aid then anything, as the LRT was decades away. 301 doesn't really prove the concept as it was more or less already proven. If the 301 failed, that might of worked more in favour Nose Creek alignment as you want the cheapest route possible as few people would ride it and capacity wouldn't be an issue. (Go ahead, say interlining won't reduce capacity for the 11th time, I'll just shake my head for the 10th time.)

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Originally Posted by Policy Wonk View Post
The 3 as it operates on Centre Street is likely to be with us, significantly in that form even with a Centre Street LRT. And the 3 doesn't do a bad job of serving Centre Street. And while dismissed here Calgary Transit believes the Nose Creek alignment will cut about 30% off the travel time compared to the 301 owing to the fact they can operate at high speed for much of the route.
Where are you getting your facts from. I need to ask for citations. Is the 30% improvement based on reaching downtown or reaching the same point? If it's reaching downtown, then ya I could see 30% improvement as I was basing my calculations on get to 7th/6th and Centre st.

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How much of a time savings would the subway save over the 3 south of 64th ave given signal priority?
It would cut it by half as a subway could do high speed between stations too. All depends on station spacing. If they are far apart then the subway could reach 80km/h without problem. Also you don't have to deal with idiot drivers. Remember 3 is a milk run, stop at almost all the stops during rushhour. At least 301 skips some.
     
     
  #2598  
Old Posted Mar 10, 2011, 6:40 AM
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If that were true Calgary Transit wouldn't be struggling with their present peak headways on 7th Ave.

But why don't we cut the bullshit and get back to what this is really about.

Most of you don't care about headways, right-of-ways and had probably never heard of interlining before this topic. This is about favoring the subway concept over the Nose Creek plans because Nose Creek is perceived to be in the service of the suburbs, which it is and the Centre Street subway would be a catalyst for the intensification of Centre Street.

That is all well and good, but it doesn't really serve to mitigate the tremendous political, financial and practical challenges that would go with the subway and intensification route.
we can do it I think both designs are actually interesting and I am actually enjoying this debate.

Lets see some ideas for nose creek and centre street on paper and see the feasibility of each. What have other cities done with transit? What was the result? Can we get a summary? lol

The message is not intended as indication for Consultants to commence on the Project as discussed above.
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Last edited by kw5150; Mar 10, 2011 at 7:23 AM.
     
     
  #2599  
Old Posted Mar 10, 2011, 7:18 AM
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Centre Street

The New line could parallel the centre street bridge, go under the park, daylight at the top of the hill, and become an elevated LRT line up the right side of centre street (3 stories high). with urban format shops, restos, and stores until the 3rd, 4th or 5th floors and condos above.


Design tangent.....

There would be guidelines for stepping all new buidings. Access to the elevated stations would be provided in large, central pedestrian circulation hubs with multiple sets of stairs and escalators and access to stores and restos. It could be the Central Calgary Mall.

Up at the LRT line level (4th floor) there could be large patios with panoramic views to the rockys and downtown. Access to the large parks on the edge of the escarpment would be provided by two large calatrava bridges.

Tangent done.......

North of 16th ave, the LRT would continue to run, possibly at grade and then finding a route that connected as many amenities as possible. Would it be a sin to run the line along confed park, 14th street, and then along Nose Hill Park up to the rest of Calgary?
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  #2600  
Old Posted Mar 10, 2011, 4:37 PM
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It is successful because of its utility in delivering suburban douchebags to their jobs downtown. Not by its virtue as an urban transit system.
Catching up on a week of interesting posts... I loved this comment and had to repeat it for truth.

(The more recent one about pretending to be streetcars was also spot on)
     
     
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