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(01-14-2016, 01:54 PM)Viewfromthe42 Wrote: There will likely have to be a campaign that sets up bylaws preventing vehicular traffic from ever being stopped on tracks. The issue will be that for left turns, there will be a temptation to treat a center-running, bi-directional track as a place to wait for opposing traffic to clear. Drivers will have a green light to go left, but will pull out from the turning lane, and will straddle the tracks.
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We already allow (by convention, not law) several cars to sit in an intersection waiting to turn left.
I doubt there will be any left turns allowed across the centre ROW that are not fully protected with a left turn arrow. There will not be any need to wait in the intersection. The LRT will have a red, and the left turning cars will have an advance green.
Outside of Cambridge, we don't have many places where left and straight are two mutually-exclusive signals. There will be an advance green, but will there be straight-only when the advance green is gone? Will somebody enter the intersection when the light turns yellow, but only make it onto the tracks before opposing traffic gets their straight-ahead green and blocks him on the tracks?
It's such a standard thing to me growing up in suburban Ottawa that I never even realized that it's not as common around here. But as you say, there's already precedent in Cambridge.
Left turning traffic gets a yellow, then a red, and after a short overlap of red with the opposing through traffic, the opposing traffic gets a green. If you've entered on yellow, you can exit on the red. If you find yourself stranded, then you either entered on the red, or the cross street was backed up, and you entered an intersection that you would be unable to clear.
(01-14-2016, 02:34 PM)Viewfromthe42 Wrote: Outside of Cambridge, we don't have many places where left and straight are two mutually-exclusive signals. There will be an advance green, but will there be straight-only when the advance green is gone? Will somebody enter the intersection when the light turns yellow, but only make it onto the tracks before opposing traffic gets their straight-ahead green and blocks him on the tracks?
Do we still have those signals on Fairway? Honestly, I rarely go out that way, so I wouldn't know.
(01-14-2016, 12:13 PM)Markster Wrote: The difference in weight I had was based on an assumption that they were a bit longer than the TTC streetcar variant. I could very well have misremembered. Bombardier's website is fairly sparse on data for the exact variant we'll be getting. If they are the same length, then they will be of comparable weight, meaning the comparison with a tractor trailer holds even better.
According to their respective Wikipedia articles, the Freedom (our vehicle) is about 3m longer and about 10cm wider than the Outlook (TTC streetcar). It doesn't list a weight for the Freedom; the Outlook is listed as 48,200 kg.
There's a "left turn signal" on Weber heading south across Northfield. It isn't an arrow, it's a full set of lights which governs right-of-way for the left-turning lanes. (iow, if it's red, you don't enter the intersection)
01-14-2016, 06:04 PM (This post was last modified: 01-14-2016, 06:05 PM by Canard.)
if there's an n+1 light dedicated for left turns and it's red, you cannot enter the intersection with the intention of turning left (even if it's clear and safe to do so). These are all over and I never see people disobeying them.
I agree, i think it's more than a bit unfortunate that on King, we'll still have separate hydro poles and catenary poles for ion. In other cities I've visited, they've integrated these together so there is only one set of poles down the roadway.
Well, this stretch of Courtland is much newer than the downtown stuff, and has never been seriously developed. I would expect fewer 'surprises' to delay the work.
I don't know how cold is too cold to do what, but this winter has been a very gentle one not withstanding the snow last week and this current (which is supposed to be brief) cold snap. The average high in December was something like 7 degrees, which is significantly above normal. Looking at the long range forecast, we're probably going to see at least a couple of days above freezing between now and the end of January.
I'm not saying that the snow dome was a bad idea, especially since no one can reliably predict the weather two months out. But I don't think they'll get "lucky" with the type of bitterly cold February that would obviously justify it to the lay observer.
Quote:Ongoing manufacturing difficulties with weld processes in Sahagun, Mexico have resulted in a shortage of parts, and the stop in production in Thunder Bay.
