Canadian LRT/RT projects U/C - Page 15

Beedok · #**281** Posted **Aug 4, 2015, 5:53 PM**

What separates the Queen's Quay from the Steetcars? I thought it was basically the same?

1overcosc · #**282** Posted **Aug 4, 2015, 6:33 PM**

Quote:

Originally Posted by Beedok

What separates the Queen's Quay from the Steetcars? I thought it was basically the same?

Not sure, but I think it's the exclusive ROW and reduced stop frequency. St-Clair and Spadina have ROWs but stop way too frequently to be labelled anything but local transit, while the other streetcars run in mixed traffic.

TownGuy · #**283** Posted **Aug 4, 2015, 6:36 PM**

Am I wrong in saying that GO rer or Smarttrack could act as a defacto DRL? I mean their alignment is almost identical to the DRL.

niwell · #**284** Posted **Aug 4, 2015, 7:48 PM**

Quote:

Originally Posted by SkahHigh

Can anyone explain why the DRL isn't in planning while more and more lines will flow into Yonge-University in the near future? Imagine rush hour in 2023 with every single user of all four other lines using the Downtown portion to commute...

I sort of imagine it as adding more liquid to a funnel that is already overflowing.

The DRL is quite a ways into the future, but is still being planned by both the TTC and Toronto's City Planning Division. In addition Metrolinx has included it in studies and more or less say that it will be needed long term, although it can be temporarily be pushed back.

The City actually did a series of consultations not too long ago and evaluated various station alignments.

http://reliefline.ca/current-work/psa-results

Horus · #**285** Posted **Aug 4, 2015, 9:11 PM**

GO to Buffalo? Hadn't heard that one before.

SkahHigh · #**286** Posted **Aug 4, 2015, 9:15 PM**

Quote:

Originally Posted by Horus

GO to Buffalo? Hadn't heard that one before.

It's a fantasy map though. I doubt it would be profitable, since not many people would commute from TO to Buffalo... Plus you'd need to stop for border inspection.

TownGuy · #**287** Posted **Aug 4, 2015, 10:25 PM**

It's a fantasy map but most of that stuff is going to happen. It's also missing things. Buffalo is obviously a bit of fantasy.

Beedok · #**288** Posted **Aug 4, 2015, 11:38 PM**

Quote:

Originally Posted by SkahHigh

It's a fantasy map though. I doubt it would be profitable, since not many people would commute from TO to Buffalo... Plus you'd need to stop for border inspection.

Might get a number from Niagara commuting to Buffalo. Doubt that would be enough either though.

SteelTown · #**289** Posted **Aug 5, 2015, 5:29 PM**

Hamilton's LRT Project from Metrolinx

osmo · #**290** Posted **Aug 6, 2015, 3:30 PM**

Quote:

Originally Posted by TownGuy

Am I wrong in saying that GO rer or Smarttrack could act as a defacto DRL? I mean their alignment is almost identical to the DRL.

GO RER won't have 2-5min frequeces as a DRL would.

1overcosc · #**291** Posted **Aug 20, 2015, 9:38 PM**

New shot from inside Ottawa's downtown subway tunnel. They're starting to put the final layer of the tunnel walls up now!

(City of Ottawa)

Dr Awesomesauce · #**292** Posted **Aug 20, 2015, 10:08 PM**

^Cool!!

Coldrsx · #**293** Posted **Aug 20, 2015, 10:34 PM**

^
^^
Indeed, great to see Ottawa finally getting near the end.

youngregina · #**294** Posted **Aug 21, 2015, 1:34 AM**

Quote:

Originally Posted by 1overcosc

New shot from inside Ottawa's downtown subway tunnel. They're starting to put the final layer of the tunnel walls up now!

(City of Ottawa)

Did they not use precast concrete sections for the tunnel lining? Or is this portion just an anomaly in the line?

Nouvellecosse · #**295** Posted **Aug 21, 2015, 1:39 AM**

I think those are mostly for bored tunnels aren't they?

SkahHigh · #**296** Posted **Aug 21, 2015, 1:41 AM**

Quote:

Originally Posted by Nouvellecosse

I think those are mostly for bored tunnels aren't they?

Yeah I think so, similar to what they're doing for the Crosstown.

eemy · #**297** Posted **Aug 21, 2015, 6:50 AM**

Quote:

Originally Posted by youngregina

Did they not use precast concrete sections for the tunnel lining? Or is this portion just an anomaly in the line?

As others have said, precast liners are typically used in bored tunnels. The tunnel in Ottawa is being mined out, as are the stations (significantly reducing surface disruptions downtown).

Innsertnamehere · #**298** Posted **Aug 21, 2015, 10:35 AM**

Significant is an understatement. You can barely tell the lrt is under construction in Ottawa, while eglinton is nearly impassable by car right now because of the construction.

MalcolmTucker · #**299** Posted **Aug 21, 2015, 3:02 PM**

Thanks to the depth of the stations for the most part. Tradeoffs for everything.

1overcosc · #**300** Posted **Aug 21, 2015, 3:11 PM**

Quote:

Originally Posted by MalcolmTucker

Thanks to the depth of the stations for the most part. Tradeoffs for everything.

The stations are actually fairly shallow. In the CBD, the station concourses are only a few metres below the surface. The roof of the tunnel in most places is directly beneath the municipal utility level.

Further east near the canal it gets deeper; Rideau Station is about 20 metres below the surface. Even that's not particularly deep.

The reason why Ottawa is able to bore out such a shallow tunnel with minimal disruption at the same time is because Ottawa basically won the geology lottery. Shallow, softish bedrock starts only a few metres below the surface in Ottawa's CBD.

The city also chose Queen Street for the CBD alignment; this reduces interference with underground parking lots and such.

Earlier on in the process before the EA was finished preliminary plans called for a tunnel diagonal to the street grid cutting between Albert and Slater streets which required a much deeper tunnel, almost 40 metres. (This is probably why you're under the impression that Ottawa's tunnel has deep stations).