Quote:
Originally Posted by swimmer_spe
Lets put a roundabout at the junction of 11 and 400. Or 400 and 401... Sounds silly doesn't it. So, why should 17(417) and 69(400)
The inconsistency is with the timing of the construction. Thunder Bay and SSM area are relatively new compared to 11 and 17 near Sudbury.
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For 11/400, there isn't a roundabout because it's only a 3-way intersection (or interchange). It does need to be converted to a trumpet configuration though in case we need a 426 to replace 26 (all the way to the west end of Wasaga Bypass, that is).
For 400/401, the freeway technically still exists for a short distance (known as Black Creek Drive) even south of the 401 so we need flyovers. (By the way, traffic merging from 400 onto 401 is a gong show even during midday. Lineup can start as far as 3 to 5 km from the interchange.)
For 17(417)/69(400), however...
For one, the future freeway will end immediately at 17(417), so a more appropriate comparison will be Conestoga Parkway/8 in Kitchener. (By the way, the lineup on 8 during rush hour is horrifying.)
More importantly, it does not help that there are residences within 500 m of the intersection. As much as I would like to draw flyovers for that interchange, regardless I'm always gonna end up with
8 lanes for Regent Street through that residential intersection. It's just a horrible idea. (I'm sure you know that, even if the speed limit on Regent Street is 60 kph, near where it will turn into 400, people will blow through that intersection at 109 kph anyway.)
As for the inconsistency in the speed limit, I thought the twinning of 17 bypassing Garden River and of 11 all the way to North Bay were completed around the same time though (the former in 2010 and the latter in 2012).