I did some napkin math and estimated about 250 cars in just one of the lots at a mall I pass by on the way home, at just one particular moment in time, on a random Thursday with nothing special going on - probably about 250, give or take.
Cost of a new car in Ontario is about 33500, so that's about $8.4M of car in one particular lot, at one particular time.
That's enough to run ~25% of our entire transit infrastructure for a year in upfront purchase price alone, not counting gas, road upkeep, etc.
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(I know not all of those are new, but they were new at some point, and I'm assuming the cost of a new car is likely fairly stable relative to inflation, so I'm calling that a reasonable hand-wave)
