Quote:
Originally Posted by 1overcosc
Yes, but also the fact that the 417 is in Ontario makes a big difference. Because crossing between Ottawa & Gatineau is a bit of a pain especially during rush hour, most people would prefer the route that takes them to Montreal without having to cross the Ottawa River in Ottawa-Gatineau... so the route that stays within their province, basically. And because the Ontario side of Ottawa-Gatineau has way more people than the Quebec side (~1M vs. ~300k), it naturally follows than any highway on the Ontario side would have higher use.
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The 417 is also older (has been there since the 70s) and many people have their habits already and won't change them.
Average daily traffic (AADT or DJMA in French) on the two-lane super-2 sections just east of Gatineau on the A-50 is apparently about 7,000 or 7,500 at the moment. I have travelled it numerous times and don't find this stretch particularly dangerous.
The section between Lachute and Mirabel which also super-2 I find much more dangerous, and it's over 10,000 a day, which is the MTQ's standard for a full divided four-lane autoroute.
I suspect that any additional twinning work on the A-50 will happen in that area first.