Subway tikckets valid for 3 days

From March 1st 2012 , Shanghai Metro Operation company will issue the new tickets which will be valid for 3 days , during these 72 hours , you can interchange any line in between, the price for the ticket is RMB 45( around $ 7) , which will be cheaper than  one day valid ticket( about $3).

This new type of ticket will be more suitable and convenient  for those who come to Shanghai for a short business or tourist visit .