Comment 77840

By brendansimons (registered) | Posted June 01, 2012 at 19:41:07 in reply to Comment 77828

That's kind of a false dichotomy. Personally I would prefer if we had an effective rapid transit network so that we could travel around the city with little environmental impact. But faced with the choice as presented, I say 100 km/h on the highways (which have minimum separation distances from residential areas), and < 50 kph in the city.

The effects of pollution can have very local effects. Particulate (dust kicked up by tires and incompletely burned fuel, both horrible for the respiratory system) doesn't travel more than a few hundred meters. This is why you see the worst air quality in Hamilton closest to the major thoroughfares:

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