The Most Radical Highway Experiment Since Traffic Lights

"Monday, as London launched an effort to unclog its streets, motorists began paying for the privilege of driving in an eight-square-mile area downtown. With the £5 ($8) a day charge per car, the city hopes to both cut traffic and raise the equivalent of $190 million annually to shore up the city's public transport system. Major cities around the globe, such as New York and Paris, are watching to see if the world's largest congestion-charging scheme will work."