New York City, a bustling metropolis with eight million people all trying to get somewhere, has now put a price on cars entering part of Manhattan, the first of its kind in North America. Could Toronto,

The first congestion charge scheme for vehicles in the US has come into effect in New York City. Car drivers will pay up to $9 (£7) a day, with varying rates for other vehicles. "The system has been in operation since midnight [05:00 GMT Sunday]," Janno Lieber, CEO of the Metropolitan Transit Authority (MTA), told reporters.

I spent nearly 50 years benefitting from the phenomenon of transportation supply creating its own demand. The more lanes we built, the more work there was for us to do. Now I spend most days thinking about how to manage demand. With good intentions, we left a few messes for others to fix.