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Go Back   SkyscraperPage Forum > Regional Sections > Canada > Alberta & British Columbia > SSP: Local Vancouver > Transportation & Infrastructure

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  #21  
Old Posted Jun 19, 2009, 6:41 AM
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Quote:
Originally Posted by David View Post
interesting that the old overpasses are just going to be reinforced rather than replaced entirely... i mean, i know it would be impossible to completely replace them without closing the highway, but they are so old
thats not correct....everyone is being rebuild from what I remember.
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  #22  
Old Posted Jun 19, 2009, 5:17 PM
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wow, ive never heard of that. crazy stuff
http://www.mto.gov.on.ca/english/eng...landpark.shtml has some information on a project that was completed in ottawa.
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  #23  
Old Posted Jun 19, 2009, 5:26 PM
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Originally Posted by djun View Post
It's great that the engineers who designed these overpasses had the foresight to plan for a future expansion. If you drive under one of these, like ones near Highway 1 and E 1st, you can see that the overpass supporting structure is wider than the highway itself and same goes for Cassiar tunnel...if only those building the George Massey tunnel didn't downsize from 6 lanes...

Yeah, the structures that Hwy 1 utilizes itself (not the structures overpassing Hwy 1) will be expanded between west of Grandview Hwy.

The piers were built to add another future lane.

I recall seeing an old BC Department of Highways annual report from the early 1960's at UBC and the "ultimate" expansion of Hwy 1 was 6 lanes west of Grandview Hwy and 8 lanes east of Grandview Hwy through Burnaby to the Gaglardi interchange. That was the original 45 years+ design.

That's the reason why the overpasses along Hwy 1 in Burnaby have a wider configuration between the piers.

As an aside, the 401 in Toronto has a 14-lane cross section over Hoggs Hollow Bridge and the bridge structure also incorporates the original bridge built in 1929.
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  #24  
Old Posted Jun 19, 2009, 6:05 PM
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Quote:
Originally Posted by David View Post
interesting that the old overpasses are just going to be reinforced rather than replaced entirely... i mean, i know it would be impossible to completely replace them without closing the highway, but they are so old
Being old is one thing, being above capacity is another.

Old overpasses can be reinforced and can last, but replacing every single overpass would turn Gateway into a white elephant IMO.

I believe the only ones being completely replaced are the ones with capacity and design issues: Brunette, Cape Horn, 152nd, 160th and 176th. The exit lanes at Grandview, Willingdon, Canada/Kensington/Sprott are being reconfigured as well.

Gaglardi, 1st Ave, Hastings, McGill etc. don't need to be replaced IMO.
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  #25  
Old Posted Jun 19, 2009, 7:22 PM
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Originally Posted by Stingray2004 View Post
As an aside, the 401 in Toronto has a 14-lane cross section over Hoggs Hollow Bridge and the bridge structure also incorporates the original bridge built in 1929.
Consider, though, the timing:
Quote:
In 1921, the population of Toronto was overwhelmingly British, though there was a steady stream of immigrants from Europe and Asia. The population of Toronto grew from 489 thousand people in 1918, to 606 thousand people in 1929. Annexations of the surrounding land by the city government kept up with the growth of the city population, both through new births and a steady flow of immigration.
source

That means the city had grown ~25% in the decade prior to 1929. Also, back then, the city didn't include the metro area (though I don't know how much it DID include)

I'm sure that bridge was built under the auspices of continued growth at that rate. The population of Toronto back then is close to what Vancouver (city) is now. If a new freeway was planned today for Vancouver, given the current anticipated growth, what kind of ultimate capacity would it be designed for? It's safe to say that Toronto's growth at the turn on the 20th century is akin to Vancouver's at the cusp of of the 21st.
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  #26  
Old Posted Jun 21, 2009, 2:23 AM
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some pics from thurday by me



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  #27  
Old Posted Jun 21, 2009, 2:43 AM
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Nice shot, those pilings look huge behind the trancars.
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  #28  
Old Posted Jun 21, 2009, 6:24 AM
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This bridge is going to be massive! I might have missed it somewhere earlier, but is there going to be special lighting for the bridge or just simple street lights like the GEB?
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  #29  
Old Posted Jun 21, 2009, 3:15 PM
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I think it should have LED lights or lighttubes down every cable.
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  #30  
Old Posted Jun 22, 2009, 6:30 PM
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Thanks for the picture-updates!
Looking forward to my visit... this Wednesday! GEB-HWY 1 Tour will definitely be in the cards
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  #31  
Old Posted Jun 22, 2009, 6:33 PM
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Thanks SpongeG!
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  #32  
Old Posted Jun 24, 2009, 4:47 AM
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i just got this in my emails


Temporary all lane traffic delays of up to 10 minutes on Highway 1 in Surrey to clear right-of-way in preparation for Port Mann/Highway 1 improvements has been extended until June 26.

Detailed information about the work can be viewed at the following link:

http://www.th.gov.bc.ca/gateway/PMH1...n_20090602.pdf



http://mail.google.com/mail/?ui=2&ik...ation%2Fpdf&zw
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  #33  
Old Posted Jun 24, 2009, 2:27 PM
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^ Thanks...


Are there any plans to keep the old bridge? I probably cost some money to remove that thing...
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  #34  
Old Posted Jun 24, 2009, 3:54 PM
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^ But it'll cost even more over the long run to keep it standing and maintain it.
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  #35  
Old Posted Jun 24, 2009, 3:58 PM
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^ But it'll cost even more over the long run to keep it standing and maintain it.
True. But wouldn't they consider to keep it and use it for future rapid lines?
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  #36  
Old Posted Jun 24, 2009, 4:17 PM
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True. But wouldn't they consider to keep it and use it for future rapid lines?
You mean like the rapid lines that will be in the middle of the new 10-lane bridge?
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  #37  
Old Posted Jun 24, 2009, 4:34 PM
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^ I know that there were ones planned for the new bridge. Just curious to know if they are actually going to destroy the bridge. I believe that there are no plans at this stage?
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  #38  
Old Posted Jun 24, 2009, 4:38 PM
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The bridge isn't that old. It's still got many good years left if they were to leave it standing... along side the new 10 lane bridge lol. That would be funny. Then people's complaints about us turning into "another Los Angeles" might make a bit more sense
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  #39  
Old Posted Jun 24, 2009, 4:43 PM
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I'm assuming the old bridge will be destroyed based on its absence in the renderings.
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  #40  
Old Posted Jun 24, 2009, 5:09 PM
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OK, the old bridge is going to be destroyed after the new one opens, just the same as with the Pitt River Bridges and the Kelowna Bridge.

And there never will be mass transit on the main bridge deck of the new Port Mann, instead this new bridge is designed to hold a lower deck that can be built below the main deck, that is where any future mass transit would be located.
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