Green Line LRT | ?m | ?s | Calgary Transit

Go Elevated or try for Underground?

  • Work with the province and go with the Elevated option

    Votes: 26 74.3%
  • Try another approach and go for Underground option

    Votes: 6 17.1%
  • Cancel it altogether

    Votes: 1 2.9%
  • Go with a BRT solution

    Votes: 2 5.7%

  • Total voters
    35
Didn't seem to be an issue with Sunalta. If the province is dead-set on an elevated LRT, why not build an elevated section over the CP tracks with stations that also span the CP tracks and have access to both downtown and the beltine.

Pros:
-Serves the Beltline and Downtown
-Cheaper than tunneling
-Stations could tie into the +15 system
-Potential to tie into the west LRT in the future

Cons:
-Farther walk to Office buildings
-Requires the demolition or expensive re-working of two concrete parkades from the 1960's

Black circles are possible stations.
View attachment 605434
This is a pretty solid option IMO.
Makes use of the CPR ROW and if extended west could possibly increase the incentive to build on the vacant lots beside the tracks.
 
I've always thought the benefits of connecting the SE and N lines were overstated, while the desire to do so has forced some expensive alignment decisions.

Of course, terminating lines in the core poses it's own challenges, but here's a wacky idea that resolves that, too:

View attachment 605631

GL Station would be on 7th Ave in the block between WB 1st St station and EB 3rd St station. Which means jogging the existing tracks north by a few meters so you have 3 lines on that block, which could be pretty disruptive, but I'd think you could do the prep work overnight and knock out the final change over a long weekend.


View attachment 605632

10/10 for integration with red/blue lines. You could add a station on 9th in front of Gulf Canada Square. There are only two driveways on 9th that you'd have to manage

I also feel like a single track can be optimal for streetscape and overall function. I wonder if you could go back to the 11th and 12th couplet idea...could you do a single track on 12th without hindering access to utilities?

Only significant cost is a bit of work on the 1st and 5th underpasses. 5th looks like you could almost just slap it in there today, but it needs a bit more clearance. 1st would be a bigger project.

Then you'd do something similar for the north line, but probably on 6th (or you've got more space for a more typical terminus if you go UG from 4th-8th)
The most challenging part of connecting the SE to N corridor is going from 7th Ave to the Arena. But it would be stupid for either the N or SE lines to not have a transfer station at 7 Ave, so if they both need to go to 7 Ave anyways, connecting the two is really not that much additional work or cost all things considered. If they are separate, you also get permanently increased operating costs from needing separate garages for the rolling stock.
 
You don't need anything that complicated; here's 1st St (north is to the right):
Capture2.PNG


1st St becomes transit/ped only (with bikes if room, but I'm not sure there would be) between 9th Ave and 7th Ave. Bus stops between 8th and 9th aves, both sides available for loading and time points. Through buses can pass along the tracks. Between 7th and 8th aves, the west lanes are through bus - one southbound and one northbound. The east center lane is the stub tracks at a station, and the eastmost lane is used to expand the pedestrian realm to handle the station and associated fixtures. The only slightly weird thing is when northbound buses meet a reversing southbound train, but they could put a signal to stop buses back of the switch; if professional transit drivers are the only users I'm not too worried.

The same thing could be done for a north leg of the green line, on the other side of 7th Ave; the train would come down the Centre Street Bridge, go one block east on 3rd ave (where there would be a Chinatown station), and then do the mirror of this setup, with buses stopping between 5th and 6th Ave (which could also maintain access to the Suncor parkade). Anyone wanting to go NC-SE would have to basically just cross the street, which would be a small hassle, but would avoid the problems associated with LRT lines crossing. The lines could be joined up as part of the work when an 8th Ave subway is built.
 
You don't need anything that complicated; here's 1st St (north is to the right):
View attachment 606026

1st St becomes transit/ped only (with bikes if room, but I'm not sure there would be) between 9th Ave and 7th Ave. Bus stops between 8th and 9th aves, both sides available for loading and time points. Through buses can pass along the tracks. Between 7th and 8th aves, the west lanes are through bus - one southbound and one northbound. The east center lane is the stub tracks at a station, and the eastmost lane is used to expand the pedestrian realm to handle the station and associated fixtures. The only slightly weird thing is when northbound buses meet a reversing southbound train, but they could put a signal to stop buses back of the switch; if professional transit drivers are the only users I'm not too worried.

The same thing could be done for a north leg of the green line, on the other side of 7th Ave; the train would come down the Centre Street Bridge, go one block east on 3rd ave (where there would be a Chinatown station), and then do the mirror of this setup, with buses stopping between 5th and 6th Ave (which could also maintain access to the Suncor parkade). Anyone wanting to go NC-SE would have to basically just cross the street, which would be a small hassle, but would avoid the problems associated with LRT lines crossing. The lines could be joined up as part of the work when an 8th Ave subway is built.

Isn't the issue with this otherwise great idea that the trains are too long to fit on a single block? Operating 2-car trains means a length of 84 metres, too long for one block. i don't see them going down to 1-car trains. Cutting off Stephen Ave isn't an option I want explored either.

Where this could work?
Macleod Trail, with an extended ROW on the east side of Macleod under the CPKC tracks? In the way is an Enmax building at the substation south of the tracks and a non descript one story building north of the tracks. The block is long enough to accommodate the 2-car train. One not so minor issue with this... you're still dumping passengers at City Hall Station.
1729524438411.png
 
Also, how many people do they want to die on at grade crossings. I would think that alone would be worth not going at grade.
Great question....Sadly I don't think the value of a human life makes it very far into the calculation. From the best that I could find out, a high end estimate of the value of a human life is $10 million. We've had close to 100 people killed by the C-Train since 1981. Roughly 2/3 were accidents. $650 million since 1981.

That doesn't include associated costs, such as impact on families, C-Train driver, witnesses and first responders. As well as lost worker productivity from delays caused throughout the system. It also doesn't predict future costs associated with more deaths. I'd imagine the rate of deaths each year would increase with more at grade lines and more population in Calgary.

Is that alone worth tunneling? I'm not sure.
 
Isn't the issue with this otherwise great idea that the trains are too long to fit on a single block? Operating 2-car trains means a length of 84 metres, too long for one block.
Isn't 84 metres exactly the maximum size though, and why this vehicle length was chosen, given the future plans to run on Centre St N where the stops will be on short blocks between avenues?
 
Isn't 84 metres exactly the maximum size though, and why this vehicle length was chosen, given the future plans to run on Centre St N where the stops will be on short blocks between avenues?
IIRC originally the underground stations were going to be ~120m, to approach similar capacity as the existing 125m planned max for the red line. Over time, part of the value engineering was cutting the stations down to two car trains.
 
Isn't 84 metres exactly the maximum size though, and why this vehicle length was chosen, given the future plans to run on Centre St N where the stops will be on short blocks between avenues?
I get just under 84 metres for that block. So it is possible.
1729628714564.png


I still don't see them dead-ending the line at 7th Ave, even though it would only be a short transfer to take the dead-ended north section on the other side of 7th.
 
Isn't the issue with this otherwise great idea that the trains are too long to fit on a single block? Operating 2-car trains means a length of 84 metres, too long for one block. i don't see them going down to 1-car trains. Cutting off Stephen Ave isn't an option I want explored either.

Where this could work?
Macleod Trail, with an extended ROW on the east side of Macleod under the CPKC tracks? In the way is an Enmax building at the substation south of the tracks and a non descript one story building north of the tracks. The block is long enough to accommodate the 2-car train. One not so minor issue with this... you're still dumping passengers at City Hall Station.
View attachment 606106
Thanks for posting this.

Based on simple calculations:

1. A four car high-floor train can accommodate 724 passengers and comes in at 104m in length.
2. A two car low-floor train can accommodate 576 passengers and comes in at 84m in length.
 
"With work on a new downtown entry underway, Mayor Gondek said she’s concerned the province will bypass public consultation.

“My incredible concern is that whatever work they are doing with their new consultant, when are people going to weigh in on it? When are property owners going to weigh in on it? When are businesspeople going to say this does or doesn’t work for us?” Mayor Gondek said.

“When is the public at large going to be able to say, ‘Hold on. That’s not what we were expecting.’ So, I have no idea what that looks like.”


I mean I'm all for letting people have their say but at this point just let the experts tell us what they recommend and lets get on with it. Underground is obviously the best for the long-term but that ship has sailed. Give us the next best option.

"Alberta Transportation and Economic Corridors Minister Devin Dreeshen said that the next working group meeting is Oct. 28. The sides are continuing to hammer out a downtown alignment, and the cost of different options...
Dreeshen said they’re looking at fully at-grade solutions, fully elevated options and a combination. They’re even looking at where they enter the downtown, he said."


Not to defend Devin but they are looking at options, whether there will be a quasi-public pick of options I don't think so. Present the options and then tell me why what you picked was best.
 
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Dreeshen said they’re looking at fully at-grade solutions, fully elevated options and a combination. They’re even looking at where they enter the downtown, he said."

I feel like I've seen fully at-grade mentioned quite a few times, which seems odd given the CPKC tracks. Perhaps this does mean terminating on 10th ave further west?

Also interesting to wonder how they define 'downtown'. I'd wonder if that meant crossing the CP tracks at/before the Elbow River, except that doesn't work with their grand central station
 
Would an underpass count as "fully at grade" if it's open at the top, and they are motivated to not call it "underground", even though it technically is?
 

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