As part of this policy, quotas restrict the number of new cars (to maintain only a certain level of vehicle growth) and vehicle owners have to buy COE permits in auctions. The high COE permit auction rates act as a … Some of the Latin American cities have experimented with barring odd and even-numbered vehicles on designated week-days. Car-pooling has for long been a favorite in many parts of the US (though it is now going out of favor in many areas). … …

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Urbanomics: The challenge of traffic management