congestion charging
noun /kənˈdʒestʃən tʃɑːdʒɪŋ/
  /kənˈdʒestʃən tʃɑːrdʒɪŋ/
 [uncountable] (British English)- the policy of making people pay an amount of money for driving their cars into the centre of some cities as a way of stopping the city centre from becoming too full of traffic交通拥塞费,进城费(为缓解市中心塞车状况而收取)