Quote:
Originally Posted by JiminyCricket II
You are not factoring in flights between the two cities. I think that number is several hundred thousand a year. Maybe close to a million. Add whatever houndreds of thousands that currently ride the train between the cities, now we are talking a lot of commuting between the 3 transit modes.
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Good point which I'm going to dismiss off hand. Here's why. I included every daily vehicle on the busiest of days at the border crossing to reach the earlier number, not 50%, not 75%, not the slowest day nor the median (average day). There's no way the numbers of passengers flying or sailing is going to change whatever the real average HSR would ultimately attract.
Even if we took the time to find the flight numbers, we would then need to decide on market share averages choosing to ride the HSR train rather than those driving a car, sailing on a boat, riding the existing train, and flying. I thought it fair just and easier to just assume 100% of those driving less than 200 miles, which should be the largest market share by far today, would be the best highest estimation for the number of passengers HSR trains would ever attract.
A good site for finding ridership between Vancouver and Seattle by air
https://www.portseattle.org/Newsroom...rt-Basics.aspx
"International passengers: 4,380,346
Top international destinations ranked by scheduled flights:
66.63 percent Canada (Vancouver 29.3 percent, Calgary 12.3 percent, Victoria 8.91, Edmonton 5.28 percent, Kelowna 4.28 percent)"
Here's the math = 4,380,346 x .293 = 1,283,441
1,283,441 / 365 = 3,516 per day
This of course assumes all the flights have the same capacity - which they don't. It's very likely the Vancouver to Seattle flights are using smaller planes. It's also a daily average, not a maximum possible on the busiest days.
Have any idea how to figure out modal market share ratios?