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Old Posted May 30, 2018, 4:24 PM
Glacier Glacier is offline
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Join Date: May 2010
Location: BC
Posts: 92
Originally Posted by 240glt View Post
I think it comes down to traffic volumes ultimately. I remember watching a study a while ago about highway safety and the safety benefits of an un-divided vs. divided vs. separated lanes and the separated highway was much safer than even a divided highway. So if the traffic volumes warrant a twinned highway then you might as well separate it where you can.
If you don't separate the highway when you go to 4-lanes, you never will because they will let private land be developed right up to the highway. Best to separate now when the land is undeveloped. That's what they did with highway 1 from Vancouver to Hope. At the hope end traffic was lower than 97 is today, and they still did it because they had the forethought.
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