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  #3081  
Old Posted May 18, 2023, 7:03 PM
madog222 madog222 is online now
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Also important to look at what benefit it brings with the cost and the detriment of taking the line out of service for an extended period. There is no benefit for train car purchase if the fleet is different and there is no reason to connect the systems if the train cars are incompatible.

In metro systems all around the world different lines use different fleets, it doesn’t matter at this point now that it’s built.
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  #3082  
Old Posted May 18, 2023, 7:11 PM
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Re: the Canada Line, thanks for the responses. I was wondering if this would be feasible for scenarios where a future expansion that extended and merged the Canada Line with another line was desirable. It was more a curiosity than anything else
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  #3083  
Old Posted May 18, 2023, 7:20 PM
cganuelas1995 cganuelas1995 is offline
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Originally Posted by Tvisforme View Post
Re: the Canada Line, thanks for the responses. I was wondering if this would be feasible for scenarios where a future expansion that extended and merged the Canada Line with another line was desirable. It was more a curiosity than anything else
Since the Canada Line is underground, it would also cost a lot of money both directly (to translink) and indirectly (to the community affected by construction disruptions) to build a connection, not to mention shutting down and overhauling the entire line including lengthening the platforms to accommodate longer trains, or just running shorter trains, which would be a waste if you're not using the full potential.
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  #3084  
Old Posted May 18, 2023, 7:37 PM
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- snip -
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Originally Posted by fredinno View Post
- snip -
You’re late to the party, but we’d gone over TransLink’s line way back when and concluded that 41st has more graves and parks than 49th and therefore can’t densify as effectively - and no, those graves and parks will most likely still be there and not be relocated by the time the SkyTrain opens.
Langara’s slightly closer to Main than Cambie, albeit walkable from both; the surrounding area’s imminent density notwithstanding, it’s much more useful to have a connection to a college and a commercial street than two strip malls and a gas station further north. Sunset and Killarney are more oriented toward 49th as well; Killarney’s got a park which hinders density too, but also a large public pool and rink that help offset that.
Regardless, each street is going to get fairly busy in the future (some parts more than others), and having a “N-S” transfer that isn’t the Canada Line would be a benefit for both.

Yes it is. Instead of three lines all terminating at Metrotown and multiple relocated parks and graveyards, we’ve got one line that goes from Brentwood to Metrotown to Oakridge to UBC and intersects the Expo with one or zero transfers, zero extra track switches and zero disturbing of existing greenspace. We don’t get any simpler than that.

Metro 2040 is a density map, not a transit map; Kennedy Stewart's demonstrated that he’s fairly clueless about public transportation, so it’s more likely he was influenced by TransLink. If one wants to hit everything from Park Royal to UBC with one single “ring road” line, then a 41th/49th shift makes perfect sense. No politics necessary.

And since Willingdon and South Van would be going through similar terrain in a similarly built-up area, 50% contingency for them as well seems reasonable - better to go underbudget than overbudget.

Development in the far future that may or may not happen aside, the point remains: Metrotown has more bus transfers than Joyce.
Central Park ain’t moving any more than Stanley Park is. And a local shopping street like Commercial having as much growth as all of “downtown” Maple Ridge seems entirely appropriate.

They’d have to bore anyway, since much of 41st is too narrow and too dense to go elevatede. If the SkyTrain’s not using the bus lanes, the 41 and 49 can take over them; it’s not a sunk cost nor an expensive one when bus lanes are so cheap.

You’re assuming that there’d be a Patterson Station at all. It’s true how ridership past Tyne is practically nonexistent, but they still need at least one token station; Boundary can be developed on three quadrants instead of two, so TransLink may very well cut out Patterson and call it a day.
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  #3085  
Old Posted May 18, 2023, 7:39 PM
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Originally Posted by Tvisforme View Post
Re: the Canada Line, thanks for the responses. I was wondering if this would be feasible for scenarios where a future expansion that extended and merged the Canada Line with another line was desirable. It was more a curiosity than anything else
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Originally Posted by cganuelas1995 View Post
Since the Canada Line is underground, it would also cost a lot of money both directly (to translink) and indirectly (to the community affected by construction disruptions) to build a connection, not to mention shutting down and overhauling the entire line including lengthening the platforms to accommodate longer trains, or just running shorter trains, which would be a waste if you're not using the full potential.
IMO there's pretty much only two bottlenecks with the Canada Line: City Centre to Broadway, and the split at Bridgeport. A merge with another line won't really help the former as much as a brand-new relief line would, and anything for the latter is likely to involve a shutdown and a bus bridge, so probably a non-starter.
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  #3086  
Old Posted May 18, 2023, 9:14 PM
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Originally Posted by Migrant_Coconut View Post
You’re late to the party, but we’d gone over TransLink’s line way back when and concluded that 41st has more graves and parks than 49th and therefore can’t densify as effectively - and no, those graves and parks will most likely still be there and not be relocated by the time the SkyTrain opens.
Langara’s slightly closer to Main than Cambie, albeit walkable from both; the surrounding area’s imminent density notwithstanding, it’s much more useful to have a connection to a college and a commercial street than two strip malls and a gas station further north. Sunset and Killarney are more oriented toward 49th as well; Killarney’s got a park which hinders density too, but also a large public pool and rink that help offset that.
Regardless, each street is going to get fairly busy in the future (some parts more than others), and having a “N-S” transfer that isn’t the Canada Line would be a benefit for both.

Yes it is. Instead of three lines all terminating at Metrotown and multiple relocated parks and graveyards, we’ve got one line that goes from Brentwood to Metrotown to Oakridge to UBC and intersects the Expo with one or zero transfers, zero extra track switches and zero disturbing of existing greenspace. We don’t get any simpler than that.

Metro 2040 is a density map, not a transit map; Kennedy Stewart's demonstrated that he’s fairly clueless about public transportation, so it’s more likely he was influenced by TransLink. If one wants to hit everything from Park Royal to UBC with one single “ring road” line, then a 41th/49th shift makes perfect sense. No politics necessary.

And since Willingdon and South Van would be going through similar terrain in a similarly built-up area, 50% contingency for them as well seems reasonable - better to go underbudget than overbudget.

Development in the far future that may or may not happen aside, the point remains: Metrotown has more bus transfers than Joyce.
Central Park ain’t moving any more than Stanley Park is. And a local shopping street like Commercial having as much growth as all of “downtown” Maple Ridge seems entirely appropriate.

They’d have to bore anyway, since much of 41st is too narrow and too dense to go elevatede. If the SkyTrain’s not using the bus lanes, the 41 and 49 can take over them; it’s not a sunk cost nor an expensive one when bus lanes are so cheap.

You’re assuming that there’d be a Patterson Station at all. It’s true how ridership past Tyne is practically nonexistent, but they still need at least one token station; Boundary can be developed on three quadrants instead of two, so TransLink may very well cut out Patterson and call it a day.
Do you have a link to that?

And no, 49th still loses in actual ridership between the stations to 41st. This problem will get worse over time due to riders orienting themselves to 41st more and more, regardless of what the line said.

Yes, 41st has slightly more 'dead' space than 49th due to the Mountain View Cemetery taking up a quarter of the Fraser-41st intersection. It doesn't compensate for the longer line length.
49th also has slight problems like you've pointed out for 41st too.


The Boundary-49th intersection is 2 and a half, because the Cemetery starts at 5-7min away from the intersection.
41st/43rd-Boundary also provides much of the access to the north side of Kingsway-Central Park that would be provided by the Expo Boundary 'future station' (making it unnecessary) and hits Swangard Stadium.
I think it's even-even overall in terms of actual dead space.
Or at least it's a very slight difference that doesn't really change the calculus too much.


49th skips the Kingsway-Joyce commercial district as well, which is also important and 8-10 min away from Joyce Station.



Terminating at either Joyce or Metrotown.
I agree the latter makes more sense.

And why can't you do that 'single line' thing on 41st (passing through Central Park underground to get to Metrotown)?



So did Transport 2040, TransLink's previous version of the current plan (Metro and TransLink plans tend to line up):
https://www.translink.ca/-/media/tra...sport-2040.pdf)
There's no explanation to the shift.


No, but he was directly involved in negotiations.
If he says the line is nominal and not solid, it's nominal and not solid.
Period.
He knows more than you, me, or anyone else in this forum how the discussions went.




Dunno, Broadway has a lot more existing density (mostly midrises) than either 41st or 49th (mostly SFHs). Same with Willingdon.

SLS also has its own difficulties - it had to go through swampy ALR lands and 6-8% slopes going up and down the ridges on Fleetwood and Clayton.

If they can do that with a 25% margin, so can every other elevated line.

Much more can go wrong with tunneling vs building above ground.



Yes, it is...?
Unless you're planning on widening 41st to 6 lanes again later on, 41st is going to remain 4 travel lanes for the foreseeable future.
The western part of 41st already has bus lanes reducing the road width to 2-3 lanes.

That assumes they don't just add bus lanes to the entire corridor rather than half and half.


This is kind of the situation with all the future R-bus routes, and a key benefit to the R-buses.
You can ease people into having less road or parking lanes, making it easier and cheaper to build cheaper elevated tracks rather than going tunneled.


Industrial Ave in Langley is also only 4 lanes wide (with very narrow sidewalks- I go there all the time), and that's supposed to become the 'city center' corridor of Langley, cutting it down to effectively 2 lanes, instead of using the wider Fraser or Logan Ave corridors.

4 lanes (barely, again) is apparently plenty wide enough for elevated SkyTrain for districts with up to 5.5 FAR and 15 stories (ie.- OV-style but a bit denser, which is probably plenty for 41st/49th, especially if it's all the way across the corridor.)




So 7 stations for both 41st and 49th? (map shown below, with red stations being future infill stations.)
Seems like it's an 1.5km extra track length for minimal extra demand/land.

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  #3087  
Old Posted May 18, 2023, 9:31 PM
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Originally Posted by fredinno View Post
....
Could
you
please
consider
not
using
line
breaks
after
every
sentence?

It's

even

worse

when

you

double-

space.

(Your responses are quite long; proper spacing and judicious use of quoted material would help reduce the overall size of the posts and make them more readable. Thanks...)
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  #3088  
Old Posted May 18, 2023, 9:52 PM
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Feel free to wade back through a hundred pages' worth of posts; far as I’m concerned, that conversation was over and done with a while ago.
And no, 49th has slightly more potential east of Cambie than 41st does, regardless of current ridership that mostly just wants to get between UBC/Kerrisdale/Oakridge and Metrotown or the Expo and doesn’t care how. A measly ~$240m of extra tunnel seems like a pretty slim difference for a $7-8 billion line; in return, TransLink gets two extra commercial streets, an extra neighbourhood centre and a second connection to a major college. Sounds worth it to me.

2 3/4ths if we’re being that anal about it, since neither Boundary nor Patterson are likely to utilize the full 800m catchment. Kingsway’s too close to Joyce to justify its own station, and Joyce is really more of a local hub than a regional one - think Gilmore.

Evidently, Transport 2040 had the R4 in mind.
If you’re going tunneled under Central Park from Metrotown Station, you might as well go tunneled all the way - it’s only 3km before you have to go underground again for Victoria and Fraser, and then 2km for Oakridge - and if you do, the ergonomics (existing road network, turn tightness, etc) lend themselves better to 49th. Either way, you’re skipping Joyce, because Willingdon can’t cover it and Metrotown without a Y-junction, and I’ve spent the last few months explaining why those are bad.

Now who’s arguing from authority? Politicians come and go; the alignment was likely planned to hit both streets long before and long after the 2018 election. The UBC extension was “nominal and not solid” too, but did anybody really expect them to use another route than Broadway, 10th and University Boulevard?
And before you bring up Jericho, there’s no MST superdevelopment anywhere in that part of South Van to force a detour.

Greektown and Point Grey have about as much density as 41st/49th are. The BCIT corridor has even less than that. Same difference.

Add bus lanes to both corridors! If four lanes is fine for Broadway, four on 41st and two on 49th will be fine when the SkyTrain comes along; once again, driving is much less of a need in the CoV and inner suburbs.
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  #3089  
Old Posted May 18, 2023, 10:58 PM
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Originally Posted by Tvisforme View Post
(Your responses are quite long; proper spacing and judicious use of quoted material would help reduce the overall size of the posts and make them more readable. Thanks...)
Yes, please!
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  #3090  
Old Posted May 18, 2023, 11:17 PM
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https://vancouver.citynews.ca/2023/0...nt-bc-transit/

With it being confirmed that an Iron Workers replacement will have provisions for rapid transit, I guess the next skytrain route is going to run down boundary/willingdon?

I imagine it will connect up with the seabus in Lonsdale so there’s no need to turn into downtown after crossing the inlet
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  #3091  
Old Posted May 18, 2023, 11:26 PM
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Originally Posted by Bobert View Post
https://vancouver.citynews.ca/2023/0...nt-bc-transit/

With it being confirmed that an Iron Workers replacement will have provisions for rapid transit, I guess the next skytrain route is going to run down boundary/willingdon?

I imagine it will connect up with the seabus in Lonsdale so there’s no need to turn into downtown after crossing the inlet
Quote:
“There’s a lot of work being done. I think it will be a rapid bus based in the corridor between the Squamish, Whistler, and Pemberton communities. And we’ll have TransLink and BC Transit figuring out how we expand the efforts beyond Lions Bay,” however he adds rail isn’t out of the question.
This might have been one of the most interesting lines to me, personally. Translink has been pretty transparent about increasing service across the Second Narrows for a while now.
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  #3092  
Old Posted May 18, 2023, 11:31 PM
madog222 madog222 is online now
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Originally Posted by Bobert View Post
https://vancouver.citynews.ca/2023/0...nt-bc-transit/

With it being confirmed that an Iron Workers replacement will have provisions for rapid transit, I guess the next skytrain route is going to run down boundary/willingdon?

I imagine it will connect up with the seabus in Lonsdale so there’s no need to turn into downtown after crossing the inlet
Yeah, this is actively being worked on by Translink, current word is initially it will be Bus Rapid Transit (true BRT, not 'rapid bus').

On the North Shore it will extend to Park Royal and on the Burrard Peninsula it rull run along Willingdon through Brentwood to Metrotown.
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  #3093  
Old Posted May 18, 2023, 11:31 PM
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Originally Posted by Bobert View Post
https://vancouver.citynews.ca/2023/0...nt-bc-transit/

With it being confirmed that an Iron Workers replacement will have provisions for rapid transit, I guess the next skytrain route is going to run down boundary/willingdon?

I imagine it will connect up with the seabus in Lonsdale so there’s no need to turn into downtown after crossing the inlet
Although the article is framing the comments as saying "The IWMB needs to be replaced in order to get rapid transit across the inlet", it seems more so that Fleming is saying there needs to be a rapid transit connection across Second Narrows and replacing the IWMB with a transit-ready crossing could deliver that. He certainly emphasized that the vehicle portion of the bridge does not necessarily have to be replaced or even upgraded.

As for a First Narrows connection, it is unlikely that an initial North Shore rapid transit connection would come with two crossings. However, I wouldn't write off an eventual circle line with crossings at both First and Second Narrows, connecting in DT Vancouver.

Or who knows, with Fleming's comments about transit up the Sea-to-Sky maybe there will eventually be heavy rail starting in DT Vancouver and terminating in Pemberton, with the crossing at First Narrows. Something akin to the east side access project in NYC with deep, deep bored tunnels. Maybe that will be the rapid transit connection across First Narrows. This is still the transit fantasy threads, right
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  #3094  
Old Posted May 19, 2023, 1:09 AM
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Although the article is framing the comments as saying "The IWMB needs to be replaced in order to get rapid transit across the inlet", it seems more so that Fleming is saying there needs to be a rapid transit connection across Second Narrows and replacing the IWMB with a transit-ready crossing could deliver that. He certainly emphasized that the vehicle portion of the bridge does not necessarily have to be replaced or even upgraded.

As for a First Narrows connection, it is unlikely that an initial North Shore rapid transit connection would come with two crossings. However, I wouldn't write off an eventual circle line with crossings at both First and Second Narrows, connecting in DT Vancouver.

Or who knows, with Fleming's comments about transit up the Sea-to-Sky maybe there will eventually be heavy rail starting in DT Vancouver and terminating in Pemberton, with the crossing at First Narrows. Something akin to the east side access project in NYC with deep, deep bored tunnels. Maybe that will be the rapid transit connection across First Narrows. This is still the transit fantasy threads, right
There's already bus lanes going to and from 1st Narrows.

The article you linked pointed out there's going to be HOV on 2nd Narrows, which I thought was a given.

Also, I remember when I was trashed when I suggested there'd be a 2nd Narrows replacement with bus lanes/HOV.
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  #3095  
Old Posted May 19, 2023, 1:27 AM
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Originally Posted by fredinno View Post
There's already bus lanes going to and from 1st Narrows.

The article you linked pointed out there's going to be HOV on 2nd Narrows, which I thought was a given.

Also, I remember when I was trashed when I suggested there'd be a 2nd Narrows replacement with bus lanes/HOV.
The article doesn't mention HOV, and it doesn't say how transit might be configured. The Minister is quoted as saying about the existing bridge: "it’s not currently configured to allow us to have rapid transit uses on that bridge. So, we’re interested in looking at that."

It could be SkyTrain on or under a new bridge. It could be dedicated BRT lanes. What it won't be is a tunnel and "there’s not yet a timeline for the project" so it's likely to be a while. But before anything to Maple Ridge.
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  #3096  
Old Posted May 19, 2023, 1:31 AM
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....The article you linked pointed out there's going to be HOV on 2nd Narrows....
Which article? The CityNews article doesn't mention HOV on the Ironworkers Memorial bridge.
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  #3097  
Old Posted May 21, 2023, 6:03 AM
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Originally Posted by Migrant_Coconut View Post
And no, 49th has slightly more potential east of Cambie than 41st does, regardless of current ridership that mostly just wants to get between UBC/Kerrisdale/Oakridge and Metrotown or the Expo and doesn’t care how. A measly ~$240m of extra tunnel seems like a pretty slim difference for a $7-8 billion line; in return, TransLink gets two extra commercial streets, an extra neighbourhood centre and a second connection to a major college. Sounds worth it to me.
I showed you boardings/departures of only the bus stops between the SkyTrain Stations.

49 is still lower despite being longer, indicating lower demand for the stops between.
This either means:
1. 41st is close enough to most of those places that people just take the R4 even though they could take the 49.
2. 41st has more overall destinations.


Also, the main benefit of using 41st is the possibility being elevated rather than tunneled.

---
41st Ave route: 25.68 km
Assuming 23 stations from UBC to Willingdon-Hastings:
Elevated cost, tracks only (based on Broadway-UBC): 23 km = $3,232M + 21 stations = $4,282M + 25% = $5352.5M
Metrotown tunnel length: 2.68km = $429M + 2 stations = $629M + 50% = $943.5M
Total: $6.296B

41st Underground, tracks only: 4108.8M + 23 stations = $6,408M + 50% = $9,613M
Total: $9.613B

Add in a few extra hundred million for 49.

This is a $3.4B difference.
It's worth it to do it even if it's slightly below optimal.

Quote:
2 3/4ths if we’re being that anal about it, since neither Boundary nor Patterson are likely to utilize the full 800m catchment. Kingsway’s too close to Joyce to justify its own station, and Joyce is really more of a local hub than a regional one - think Gilmore.
R4 has a stop on Rupert as well, which I removed.

It's a choice between Rupert or Joyce-Kingsway, and Joyce-Kingsway is closer to demand centers.

Quote:
Evidently, Transport 2040 had the R4 in mind.
If you’re going tunneled under Central Park from Metrotown Station, you might as well go tunneled all the way - it’s only 3km before you have to go underground again for Victoria and Fraser, and then 2km for Oakridge - and if you do, the ergonomics (existing road network, turn tightness, etc) lend themselves better to 49th. Either way, you’re skipping Joyce, because Willingdon can’t cover it and Metrotown without a Y-junction, and I’ve spent the last few months explaining why those are bad.
Like this:


I did the slope calculations for the Brentwood slope. It's only 4-6% grade up to Brentwood, and there's more than enough space on Willingdon at Amazing Brentwood to allow for an elevated station above the Millennium tracks.

This sort of thing is similar to Commercial-Broadway (it's just that Millennium Line is inside the Grandview Cut).

The entire line's slope on 41st does not go above 4%, so no need to go underground on Victoria or Oakridge.


The only big problem is the minimum-turning-radius turns required to get to Metrotown, which will indeed slow the train down slightly before entering Metrotown.
However, this is not really a unique problem.
It didn't stop Evergreen from being built.


Quote:
Now who’s arguing from authority? Politicians come and go; the alignment was likely planned to hit both streets long before and long after the 2018 election. The UBC extension was “nominal and not solid” too, but did anybody really expect them to use another route than Broadway, 10th and University Boulevard?
And before you bring up Jericho, there’s no MST superdevelopment anywhere in that part of South Van to force a detour.
That guy was directly involved in creating that line.
He probably has some idea the intention of it in the report, just saying.


Also, you may have not noticed that both Transport 2050 and 2040 have disclaimers noting that the transit alignments are conceptual.


There also was the switch from Millennium going underneath East Broadway to the Flats because Vancouver wanted to develop the Flats and to avoid cut-and-cover... despite East Broadway actually having a wider catchment area and development land with the current Broadway Plan (Flats route catchment is limited by the rail yards to the north.)
They basically just didn't want to develop the residential lands.

https://dailyhive.com/vancouver/skyt...-route-options
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  #3098  
Old Posted May 21, 2023, 6:12 AM
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Once the Broadway extension is complete, service on the Millennium Line will increase considerably. I'd love to be proven wrong, but it doesn't seem like the Tri-Cities will need this much future M-Line capacity? Now imagining a decade or two into the future when Metrotown and Brentwood/Gilmore are connected via a new NS line, would it make sense for the excess capacity on the M-Line to be used by absorbing the Production-Way branch of the Expo?

I.e. Expo runs Waterfront <-> Langley City while M-Line runs both Arbutus <-> Lafarge Lake-Douglas and Arbutus <-> Columbia

The Willingdon connector would mitigate the construction impacts on Expo passengers who used the Production-Way branch. A third platform could be built at Columbia to accommodate the M-Line (or really, any large-scale modification could be done since the closure of the branch would not be as catastrophic with the Willingdon connector, including closing Columbia for a year or two). And obviously, Surrey/Langley Expo passengers would benefit from the full capacity of the Expo Line.
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  #3099  
Old Posted May 21, 2023, 6:24 AM
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Originally Posted by Helvetia View Post
Once the Broadway extension is complete, service on the Millennium Line will increase considerably. I'd love to be proven wrong, but it doesn't seem like the Tri-Cities will need this much future M-Line capacity? Now imagining a decade or two into the future when Metrotown and Brentwood/Gilmore are connected via a new NS line, would it make sense for the excess capacity on the M-Line to be used by absorbing the Production-Way branch of the Expo?

I.e. Expo runs Waterfront <-> Langley City while M-Line runs both Arbutus <-> Lafarge Lake-Douglas and Arbutus <-> Columbia

The Willingdon connector would mitigate the construction impacts on Expo passengers who used the Production-Way branch. A third platform could be built at Columbia to accommodate the M-Line (or really, any large-scale modification could be done since the closure of the branch would not be as catastrophic with the Willingdon connector, including closing Columbia for a year or two). And obviously, Surrey/Langley Expo passengers would benefit from the full capacity of the Expo Line.
One TransLink document looking forward to mid-century envisioned the Expo Line spur to Production Way being extended to Arbutus during peak periods. It appears to suggest a 1/3 - 2/3 split between Arbutus and Langley routing. Presumably, the idea is to add capacity on the Broadway section without overcapacity on the Coquitlam section.
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  #3100  
Old Posted May 21, 2023, 6:38 AM
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Originally Posted by fredinno View Post
- snip -
Check again – your TSPR quote says the 49 east of Cambie has slightly more boardings than the R1 (despite the latter being a RapidBus), although the latter has more overall.

That’s napkin math. In reality, Vancouver will have had 15+ years of densification between now and pre-construction; your elevated line’d have to duck underground for Victoria, again for Fraser, again for the Cambie Corridor, again for Oak, and then one more time for Kerrisdale. I’ll be generous and exclude Knight and Main, which don’t seem to be going anywhere.
TransLink’ll probably just consolidate them into one big 7km tunnel for $1.1 billion, and at that point, you’re saving about... $643 million over ~32 kilometres for the remainder of 41st. Nope, not worth it.

That skips Joyce Station altogether - unless there’s a two-stop bus bridge from it to Kingsway - which defeats the purpose.

Again, you’ll want 3-4% or less to reduce wear and tear on the trains; 6% is intended for really short bursts. That means either a really tall and more expensive guideway plus extra-expensive station interchanges, or tunnels.

Also again, there’s a world of difference between transit planning in 1999 and 2023; if politicians have a chance to interfere with the current alignment these days, it’s because TransLink was already considering such an option. What're the odds that Kennedy’s loop would’ve become a thing if he were reelected? Pretty much nil.
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