All of the following are used to reduce traffic congestion in many world metropolitan cities EXCEPT O London residents paying a congestion charge to drive downtown during the daytime.
O Toronto drivers paying tolls to drive on freeways during congested times.
O Singapore residents needing a permit to drive downtown during the busiest times of day.
O Copenhagen drivers being banned from driving in portions of central areas downtown.
O Los Angeles drivers being prohibited from using major freeways during high congestion times.