The Selfish Automobile

A good overview of the cost of cars in terms of money, space, and time at Planetizen. Transportation costs are already unaffordable (>20% of household income) for the lowest income 40% of the US, and drivers only pay a minority of automotive costs directly.  Over the last half of the 20th century, the proportion of household income dedicated to transportation doubled.  Cars use ~20x as much spacetime (s*m^2) as bikes for the same commute, and ~200x as much as a pedestrian.  Interestingly the direct car costs mentioned are only about half what AAA estimates ($4100 vs. $8500 per year).

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