Metro rides are priced according to distance travelled, and fares vary from 2 RMB to 14 RMB. Since December 2010 fares are based on a usage fee (2 RMB) + a distance fee. The distance fee is 1 RMB for each 4 km from 4 km to 12 km; after that 1 RMB for each 6 km from 12 km to 24 km and finally 1 RMB for every 8 km over 24 km distance. For passengers who wish to ride on business coach in line 11, they have to pay 3 times the amount of price that calculated by the regulations above.