Not necessarily true. Half the comments in this thread are saying that consumers don't spend money on cars, and don't spend it on other things, because NOBODY HAS MONEY.
Most places aren't like that, unfortunately.
That's what we get for inventing this stuff I suppose...
> For many routes within London it's quicker and far cheaper to take public transport (or a bike!) than to use a private vehicle.
Is a rather poor way to look at it in the context of London, because walking is often quicker than using a private vehicle here!
To give you an example, I live in San Jose area. To get to downtown san jose, it'll take me less than 10 minutes in a car on the high way, 45 minutes on the bike through the streets, or 1.5 hours on the bus.