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  #461  
Old Posted Nov 21, 2009, 10:35 PM
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Woah.
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  #462  
Old Posted Nov 22, 2009, 11:00 PM
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Anyone seen any proposed interchanges for the Kensington set of lights on Crowchild or the intersection at Crowchild/Stadium?
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  #463  
Old Posted Nov 23, 2009, 7:05 AM
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Originally Posted by greg_a View Post
Anyone seen any proposed interchanges for the Kensington set of lights on Crowchild or the intersection at Crowchild/Stadium?
There hasn't been any official design work done yet, so if theres anything floating around its at most either pure fantasy or extremely conceptual (the Banff Trail TOD work did propose changes to the area, so there are those type of proposals for at least that area)
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  #464  
Old Posted Nov 23, 2009, 7:07 AM
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Also noticed on Saturday night that they've been working on the 2nd bridge for Seton Blvd/Cranston Road interchange on Deerfoot. So far the abutments on either side look to be formed in, and work on the footings for the pier is underway
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  #465  
Old Posted Nov 23, 2009, 5:11 PM
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Originally Posted by korzym View Post
This has been proposed for use on a project in the Calgary area, but wasn't approved because of it being fairly new...I personally would love to see it tried out. Too bad Alberta Transportation is afraid to try it. It's geometrically sound and holds way more volume than a Parclo interchange.
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  #466  
Old Posted Nov 23, 2009, 5:43 PM
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here is a video about the airport tunnel i just received by email.

http://www.youtube.com/watch?v=iA4pMXk2Ajk
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  #467  
Old Posted Nov 23, 2009, 5:49 PM
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Hopefully money is found to put at least a roughed in tunnel (more likely trenches and bridges) under the runway and taxi ways. Can worry about the other roads as needed. Still worth it even if it sits unused for 5 or 10 years.
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  #468  
Old Posted Nov 23, 2009, 6:19 PM
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Hopefully money is found to put at least a roughed in tunnel (more likely trenches and bridges) under the runway and taxi ways. Can worry about the other roads as needed. Still worth it even if it sits unused for 5 or 10 years.
The roughed in tunnel would be 90% of the total project cost. No reason then to not build the roads. However, a roughed in tunnel would be better than nothing.
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  #469  
Old Posted Nov 23, 2009, 6:53 PM
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This has been proposed for use on a project in the Calgary area, but wasn't approved because of it being fairly new...I personally would love to see it tried out. Too bad Alberta Transportation is afraid to try it. It's geometrically sound and holds way more volume than a Parclo interchange.
So obviously this was a provincial project and sounds like it was outside the city. Do you know where this was proposed?

I did a bit of research the other day and it looks like a number of jurisdictions in North America are either building DDIs or have plans to. MoDOT seems to be happy with them as they are building and planning a number of them. Here's a link to an animation of a DDI they plan on building in KC. After watching the clip I can see how this design can handle a lot more traffic. If you look around the site they have other animations which show traffic movements from various directions and the proposed signage, etc. looks like it would make it rather easy to use this interchange.

http://www.435ddi.com/video/Overhead3DViewMed_Prog.wmv
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  #470  
Old Posted Nov 23, 2009, 7:19 PM
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Originally Posted by You Need A Thneed View Post
The roughed in tunnel would be 90% of the total project cost. No reason then to not build the roads. However, a roughed in tunnel would be better than nothing.
Depends, 90% of the 150 million dollar project, but not 90% of the $450 million dollar connection all the way to Stoney.
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  #471  
Old Posted Nov 23, 2009, 7:20 PM
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Speaking of interesting interchange designs, here's the recommended plan for the Heritage/MacLoed interchange - from the planning study - not approved for construction yet.

Traffic Circle interchange
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  #472  
Old Posted Nov 23, 2009, 7:26 PM
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Depends, 90% of the 150 million dollar project, but not 90% of the $450 million dollar connection all the way to Stoney.
The $450M number is nothing but a ploy by some to say that the project is too expensive. That includes interchanges and road construction that would otherwise be required anyway - in the future - and the tunnel doesn't really change the timeline for when they would be needed.

Also, like I've mentioned before, the total project costs that they use never take into account the cost of not building the tunnel, in terms of the road widenings and improvements that would be required elsewhere if the tunnel is not built. I suppose that is totally separate from your original point.
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  #473  
Old Posted Nov 23, 2009, 7:54 PM
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Originally Posted by You Need A Thneed View Post
Speaking of interesting interchange designs, here's the recommended plan for the Heritage/MacLoed interchange - from the planning study - not approved for construction yet.

Traffic Circle interchange
It looks like it has a traffic circle in the centre? WTF?
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  #474  
Old Posted Nov 23, 2009, 8:03 PM
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Nevermind.

Last edited by frinkprof; May 23, 2010 at 4:37 AM.
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  #475  
Old Posted Nov 23, 2009, 8:20 PM
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a lot of calgarians are afraid of circles. i sat on the traffic committee for mayland heights while we we're going thru the traffic calming process. the city said that a circle at 14 ave and 19 st ne was the best solution for that intersection. after a survey went out to residents, there was some concern over the circle, so the city eliminated it, although they claim it was by far the best solution. real frustrating.
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  #476  
Old Posted Nov 23, 2009, 8:23 PM
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Nevermind.

Last edited by frinkprof; May 23, 2010 at 4:36 AM.
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  #477  
Old Posted Nov 24, 2009, 2:56 AM
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^^ I was at the open house for that and a lot of people I overheard were downright hostile to the idea of a traffic circle. The alternative most people seemed to want was a traffic light. I was undecided. The city didn't provide any details of what they might want to build there for a traffic circle, although they had some models of a typical one. I wanted to see how they would integrate a 4 lane road north of 14th St. & 19th Av. connecting with two lane roads in every other direction. City could have done a better "sales job" on the traffic circle IMHO.
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  #478  
Old Posted Nov 24, 2009, 4:04 PM
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People are afraid to try new things...
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  #479  
Old Posted Nov 24, 2009, 5:03 PM
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^Interesting. Which part was frustrating?

I know traffic circles tend to be a fairly divisive idea for one reason or another.
the most frustrating part was having the city go back on it's word of wanting to install the best option of a circle, then having a resident survey change their minds and install lights instead, which was always a very undesireable solution from the city.

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^^ I was at the open house for that and a lot of people I overheard were downright hostile to the idea of a traffic circle. The alternative most people seemed to want was a traffic light. I was undecided. The city didn't provide any details of what they might want to build there for a traffic circle, although they had some models of a typical one. I wanted to see how they would integrate a 4 lane road north of 14th St. & 19th Av. connecting with two lane roads in every other direction. City could have done a better "sales job" on the traffic circle IMHO.
a lot of people may have been hostile, because the city doesn not communicate well at all. i was the only one that brought any background of a circle to our meetings. the city brought nothing. majority of the traffic committee, after discussing the pros and cons of a circle with the city, were all sold on installing one, and the city was happy because they didn't think we'd go for it.

the circle, as explained to us, would have been one lane in, one lane out. so only a single lane circle. this is the simplest form of circle couldn't be more esy to navigate. they would have used curb extensions to close of the extra lanes to creat this scenario.

after the city, the committee all agreed on a final traffic calming plan, they city sent out a survey asking residents about it. well, some residents screamed bloody heel over a circle. somehow, the city decided that what they thought was the best option, what the traffic committee thought was the best option, was all of a sudden not the best idea, because some people were afraid of it. yet the city still proudly thinks that a circle at heritage and macleaod will go over smoothly with calgarians. if they can't stand up to a few maylanders, they won't be able to do it to all calgarians.

all in all, they city balked on the best deal for mayland heights, and decided to install traffic lights, which were one idea they despised from the get go, as it would cause traffic to back up towards 16 ave and possibly creating more isssues.

i wrote our alderman, the traffic committee and the city officials who were dealing with us. i asked why they went away from, as they claimed, the best idea of installing a traffic circle. it's been just over a year and i still have not heard a response from any party involved.
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  #480  
Old Posted Nov 24, 2009, 5:15 PM
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Nevermind.

Last edited by frinkprof; May 23, 2010 at 4:36 AM.
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