Which metropolitan area has the best urban transport system (urban transport includes all modes of transport, mass transit, cars, cycling, etc.)
Paris
London
Moscow
Tokyo-Yokohama
Osaka-Kobe-Kyoto
New York
Los Angeles
Istanbul
Cairo
Delhi
Mumbai
Kolkata
Bangkok
Dhaka
Jakarta
Shanghai
Shenzhen
Guangzhou
Beijing
Tianjin
Seoul
Sao Paulo
Rio de Janiero
Buenos Aires
Mexico City
Lagos
Teheran
Karachi
Nagoya