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General Road and Highway Discussion
Oh, and the grading for the new ramp northbound between Victoria and Frederick (off Bruce) is coming along as well:

[Image: 45445312632_110828f18b_c.jpg]
Victoria St Bridge Replacement, 2018-10-21 by Kevin T, on Flickr
...K
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(10-22-2018, 11:05 AM)KevinT Wrote:
(10-22-2018, 08:42 AM)timio Wrote: Question on Victoria:  it seems as though they poured a concrete slab onto some surface supported by the red structure.  Why would they choose to do this instead of the beam method used on most highway bridges?

The bridges built with slab-on-beams seem to be thicker overall, perhaps they didn't have the height to work with?  I'd imagine that lowering the active highway beneath would have been quite difficult and expensive...

Ah, that makes perfect sense - I bet you're exactly on with your guess!

Also, one other traffic note, I couldn't quite figure it out this morning but I think something changed last night during the 8>401 flyover closure. I'm just not sure exactly what it was. Whatever they did, it hasn't seemed to impact traffic flow at all in a negative way, thankfully.
For daily ion construction updates, photos and general urban rail news, follow me on twitter! @Canardiain
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One would think the space existed to raise Victoria though. Might be a bit tight with Factory Shoes driveway right there, but slopes at 50km can allow for shorter distances to rise.
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(10-22-2018, 11:11 AM)KevinT Wrote: Oh, and the grading for the new ramp northbound between Victoria and Frederick (off Bruce) is coming along as well:

[Image: 45445312632_110828f18b_c.jpg]
Victoria St Bridge Replacement, 2018-10-21 by Kevin T, on Flickr

Google has been showing that ramp as open all along through this process. It makes directions into Waterloo from the east part of Kitchener very annoying.
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(10-22-2018, 01:07 PM)jamincan Wrote: Google has been showing that ramp as open all along through this process. It makes directions into Waterloo from the east part of Kitchener very annoying.

Have you reported it to them? I forget exactly where/how, but there's a control for that somewhere in the web browser version, and probably in the mobile apps too. They aren't always the quickest with that sort of feedback, but it's better than only reporting it here. Smile
...K
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https://kitchener.ctvnews.ca/victoria-st...sc=GhZGJJQ

Victoria Street bridge scheduled to reopen Sunday night.
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And early, too! This is awesome!!
For daily ion construction updates, photos and general urban rail news, follow me on twitter! @Canardiain
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Great news! That detour's a pain!
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Are they putting in the temporary median for the opening, I wonder.
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A road safety campaign AND eSolutions group. What could possibly go wrong with that?  Big Grin
   
Everyone move to the back of the bus and we all get home faster.
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Reading the new report on the proposed relocation of the signal at Bridgeport/Peppler to Bridgeport/Laurel trail has some interesting (and borderline comically (sad)) statements.

What's with the quotation marks around red-light running in the following paragraphs? It makes it sound like that it is a made up issue or something. And if someone can't tell signals apart should they really be driving at all? And why isn't that a problem elsewhere like on King?

"A question was also asked whether closely spaced signals could cause a “red-light running” problem. Traffic control signals spaced close together may result in drivers misinterpreting one set of traffic signals for another. Drivers may observe and react to a downstream traffic signal while failing to observe the indications of a traffic signal first encountered. Similarly, drivers may see the indications of a traffic signal first encountered and fail to observe or expect a downstream traffic signal soon afterwards. This condition can contribute to “red-light running” and angle collisions as a result of “red-light running”."



Why is it that if one-way streets are so horrible that the solution isn't to get rid of the one-way streets instead of denying pedestrians additional crossing?

"The Region has obtained “red-light running” data from its inventory of 16 red-light cameras. This data includes the frequency of “red light” violations and includes information regarding how long a motorist enters an intersection after the onset of a red signal indication (intrusion time). A longer intrusion time is a key indicator of drivers failing to observe a red signal indication.

Three of the top four intersections with the highest average intrusion times following a red signal indication are intersections situated on one-way streets. Of the three intersections situated on one-way streets, Erb Street at Regina Street has the highest average intrusion time of 9.2 seconds after the onset of a red signal. Regional staff believe that there are two primary contributing factors causing drivers to not observe the red traffic signal indication at this location. The contributing factors suspected include:
• The road being a one-way street; and
• Regina Street being situated only 80 metres east of King Street.

Based on the Region’s experience and supporting data, it is anticipated that the Region would create a condition very similar to Erb Street between King Street and Regina, (which has a demonstrated “red-light running” problem) if the signal at Bridgeport Road and Peppler is not removed and a second traffic signal is installed 105 metres east at the Laurel Creek Trail."



If you know people are going to speed why not post for 40kph and design for 50kph, etc.?

"Transportation Association of Canada (TAC) guidelines recommend that a roadway with a posted speed limit of 50 km/h (design speed of 60 km/h) have a stopping sight distance of 75 to 85 metres. The existing westbound stopping sight distance on Bridgeport Road approaching the Laurel Creek Trail is approximately 144 metres. Therefore, this distance meets or exceeds recommended distances approaching the proposed location for the relocated pedestrian signal."
Everyone move to the back of the bus and we all get home faster.
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(11-03-2018, 12:38 PM)Pheidippides Wrote: What's with the quotation marks around red-light running in the following paragraphs?

I expect that it's because while "red-light running" is in common usage, it is not a term defined in the HTA.

(11-03-2018, 12:38 PM)Pheidippides Wrote: If you know people are going to speed why not post for 40kph and design for 50kph, etc.?

Or maybe post for 40 km/h.
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How long is the 401 expansion b/w 8 and Hespeler going to take?
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Eta July 2019. See thread for more: http://www.waterlooregionconnected.com/s...php?tid=75
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I notice that the interchange with Wellington is going to have a giant, high-speed slip ramp onto Wellington heading west. Why in the world do traffic engineers insist on these lanes, often even for regular intersections? They make it very difficult to assess oncoming traffic since they end up positioned in the merging driver's blind spot. At the same time they encourage people to drive faster than is suitable by giving a generous turn radius. The victim of the design (the acceptable cost to avoid the inconvenience of stopping, I guess, according to our Region's Transportation Commissioner) is naturally going to be cyclists.

As a rule, I think slip lanes should only be used where there are few cyclists on the road (due to a MUT or something that crosses the lane at a more oblique angle that allows greater visibility) and where a suitably long ramp that allows merging to occur at speed is possible. It should almost never be used in an urban context. It's not the end of the world to stop and turn when safe!
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