From 2013, United States passport holders can enjoy up to 72 hours for transiting in Shanghai with VISA free! Please do not forget to plan your activities in Shanghai as the part of international travel.
Also 45 countries passengers can take the advantage of the new transiting VISA policy in Shanghai. For the detail please refer to the below:
Asia: Japan, Korea, Singapore, Brunei, United Arab Emirates , Qatar
Oceania: Australia, New Zealand
North America: America, Canada
South America: Brasil, Mexico, Agentine, Chile
Europe: Austria, Belgium, Czech, Denmark, Estonia, Finland, France, German, Greece, Hungary, Iceland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Swiss, Russia, Britain, Ireland, Cyprus, Bulgaria, Rumania, Ukraine