You're missing all the points I'm making. Even if most of what you're saying is true.
I can tell you right now, it's nowhere near 10% for Hamilton. Wouldn't surprise me if transit usage is less than 1% for flyers.
Also, it's not 10% for Pearson. It's 13% for passengers, and something like 14 to 17% for employees. So you're comparing next to 0 to about 1 in 6, 1 in 7. Lack of transit connectivity is also a closer proxy for economic/demographic isolation, less so geographic isolation.
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1-2 million is not worth it. When I spoke of large secondary airports, we're talking 20+ million passengers a year. Main airport being 30-40+ million.
Agreed on the first point, conditional no to the second: If you look at the list of cities I gave, the distance between Hamilton & Pearson and between Hamilton & downtown Toronto are not even close to being the longest. In fact, Hamilton is relatively close to both Pearson and Toronto.
Again I'm not saying Hamilton needs to expanded ASAP.
Like I said, GTHA's current population does not warrant a large secondary airport. Hamilton's location and physical room for expansion makes it suitable in the (far) future to be the secondary airport.
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You're saying Hamilton doesn't attract passengers/airlines because it sucks. It sucks because it doesn't attract passengers/airlines. This logic appears circular: Hamilton sucks, therefore it will continue to suck. Well why does it suck? (besides the symptoms of it sucking doubling as the cause).
Hamilton sucks because it hasn't been expanded, it's barebones and will likely remain that way until Pearson is severely overcapacity, since futureproofing is clearly not Ontario's strong suit for anything but roads and highways. If they received more investment in terms of transit, highways, and facilities so to stop looking like an old bus terminal with a parking lot in (insert third-world country here), I'm sure more passengers and airlines would flock to it.
See below:
I personally think it'd be better than Pickering because more of the GTHA population is in the west to begin with. I don't see future population growth flocking to the east.
I edited out Guangzhou because it's not built yet, it was from the list of large cities with
future secondary airports. Post was too wordy.
I'm not understanding here, do you mind clarifying?
Guangzhou's secondaries were Shenzhen and Hong Kong. The wider metropolis is probably the largest on the planet, larger than Tokyo and Jakarta. On Guangzhou getting another airport in Foshan: if anything, we should be asking why it didn't get another one
sooner (Foshan is technically not Guangzhou, but you get my point).
I was once trapped in Guangzhou's airport post-covid for an hour because my Chinese-Uber never found me because the pick up area traffic was so insane. I gave up and took the subway. The next time around, I flew to Shenzhen because its airport had better transit (at the time), since I realized Ubers were a shitshow. Guangzhou's airport is older, less transit oriented (subway requires a transfer + 1.5 hours to reach the main train station), and is farther from its respective downtown than Shenzhen.
We're talking 60 million people in an area the size of the "core" Golden Horseshoe (~11,000 sqkm), with only 3 airports the size of Pearson. Pearson serves the vast majority of the Golden Horseshoe for about 10 million people (yes Buffalo exists). The wider Pearl River delta is 86+ million over 55,000 sqkm.
Chengdu is 14,000 sqkm, for 20 million people. Physically larger than the "core" Golden Horseshoe. It having 2 major international airports makes total sense.
Chengdu Tianfu airport also happens to be virtually the same driving distance from Shuangliu airport and Chengdu's downtown, as Hamilton John Munro is to Pearson and Toronto's downtown. Even Pearson is practically the same distance to downtown as Shuangliu is to Chengdu's downtown.
Which is exactly the point I'm getting at. That John Munro's location is decent for large secondary airport.
It seems we all agree that YTZ is ill-suited to become a large international airport.
Also, Tianfu is way more in the boonies than John Munro is, but there is a rail connection to both the city and the other airport (that cuts through rural areas).
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Also wanted to clarify that 20 million people isn't for something the size of Toronto or the GTA or GTHA. The area/pop. density is more relevant.