Some cities in China, as well as Manila IIRC, only allow cars in the city on certain days based on their license plate numbers. Even, then odd, back and forth.

Some cities in China, as well as Manila IIRC, only allow cars in the city on certain days based on their license plate numbers. Even, then odd, back and forth. Of course this means rich people just buy two cars, so it doesn't quite have the intended effect.