No, the reduced cost comes from the fact that they are smaller vehicles and weigh much less.
That means that the supports holding up the track can be much smaller & cheaper than those needed to hold up a train of several railcars full of people. Think of the pictures you've seen of a monorail, with the small supporting columns for a long stretch of track.
Ah, I see. I just looked quickly at the Sky Web Express site.
This is not mass transit at all. What's the difference between a freeway full of cars and a skyway full of PRT vehicles? Computer control? They've been talking about that on roads for years.
It seems pretty obvious to me that for PRT to carry the same amount of passengers in the same amount of time and space that LRT can, it will be inherently more expensive. Rather than the cost of a big car with big motors amortized over a lot of people, we have a bunch of small cars with smaller motors for each person.
There is much more material and cost overhead in constructing a vehicle for each person. It's like buying a car for each person.
-Dave
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