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-   -   BC Highway Construction (https://skyscraperpage.com/forum/showthread.php?t=187593)

foolworm Jan 15, 2024 6:37 AM

I'm mildly surprised to see that BC doesn't seem to have any full systems interchanges (4 way all way), not even legacy cloverleafs. Are there any examples I am not aware of?

Metro-One Jan 15, 2024 6:53 AM

Quote:

Originally Posted by foolworm (Post 10120581)
I'm mildly surprised to see that BC doesn't seem to have any full systems interchanges (4 way all way), not even legacy cloverleafs. Are there any examples I am not aware of?

There are several three way full system interchanges.

The 99 / 17 (SFPR) is perhaps the closest.

The 99 and the 91 in Richmond? But directly to the west the freeway ends.

Tvisforme Jan 15, 2024 9:12 AM

Is it perhaps related to how many of our highways are shaped by the mountainous terrain and don't always meet on a perpendicular?

Metro-One Jan 16, 2024 12:56 AM

Quote:

Originally Posted by Tvisforme (Post 10120602)
Is it perhaps related to how many of our highways are shaped by the mountainous terrain and don't always meet on a perpendicular?

That is definitely a big part of it.

Most highways here meat at three way junctions.

I think the 99 / SFPR is the closest we will have to a 4 way free flow junction. Though I think now it is missing one of the eight directions.

Vantage Jan 16, 2024 9:21 AM

Quote:

Originally Posted by Metro-One (Post 10121258)
Though I think now it is missing one of the eight directions.

You cannot go from Hwy 99 WB to Hwy 17 NB, nor can you go from Hwy 17 SB to Hwy 99 EB.

foolworm Jan 17, 2024 11:09 PM

I wonder what the interchange of TransCanada / Lougheed Highway would be considered. It seems more like a very short concurrency instead and is made all the more complicated by the Mary Hill Bypass.

craner Jan 18, 2024 4:10 AM

Quote:

Originally Posted by Vantage (Post 10121445)
You cannot go from Hwy 99 WB to Hwy 17 NB, nor can you go from Hwy 17 SB to Hwy 99 EB.

Strange as WB to NB is usually a simple movement.

Vantage Jan 18, 2024 6:28 AM

Quote:

Originally Posted by craner (Post 10123029)
Strange as WB to NB is usually a simple movement.

It seems that for some reason they don't want Hwy 17 to be used as an alternate to Hwy 91.

Vantage Jan 18, 2024 6:34 AM

Quote:

Originally Posted by foolworm (Post 10122845)
I wonder what the interchange of TransCanada / Lougheed Highway would be considered. It seems more like a very short concurrency instead and is made all the more complicated by the Mary Hill Bypass.

It also has 6 out of 8 directions. Definitely a very unique interchange though and a huge improvement over the equally-strange interchange that used to be there.

Metro-One Jan 18, 2024 6:47 AM

Quote:

Originally Posted by Vantage (Post 10123086)
It seems that for some reason they don't want Hwy 17 to be used as an alternate to Hwy 91.

That movement was going to be added as part of the scraped (thanks NDP!) highway 99 upgrade / bridge project that would have been long completed by now.

flipper316 Mar 10, 2024 6:16 PM

https://www.timescolonist.com/local-...ations-8423211

Where the hell is the money going. Still 2 after this.


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