english: In London, the day they turned the congestion pricing on, there was a 25 percent decrease in congestion overnight, and that's persisted for the four years in which they've been doing congestion pricing.
non_english: U Londonu, na dan kada su uveli naplatu korišćenja zagušenih deonica, preko noći je zabeleženo smanjenje od 25% zagušenja, i to se nastavilo tokom sledeće 4 godine od kada koriste naplatu korišćenja zagušenih deonica.