Beijing’s local traffic is served by an extensive subway system (http://map.baidu.com/subways/index.html?c=beijing). Its surface traffic is typically very busy, and features the Forbidden City as the center of the five concentric ring roads.

The Beijing Capital International Airport (PEK) is located in the northeast side of the city of Beijing, outside the fifth ring road. Its website is (http://www.bcia.com.cn/). It is well served by a full range of public transportation. For international travelers with luggage, taxi is a reasonably priced option when compared with other international hubs.

Tsinghua University (http://www.tsinghua.edu.cn/) is located at the northwest corner of the fourth ring road. In good driving condition, a taxi ride between the Capital airport and hotels in the vicinity of Tsinghua University (click here) is about 40 minutes, and costs less than RMB150.

A taxi ride to hotels in the heart of the capital (e.g. Beijing Hotel http://www.chinabeijinghotel.com.cn/) will cost considerably more and will vary due to traffic condition.

The Department of Mathematical Sciences is located in the New Sciences Building (理科楼), which is within two minutes walk from the "Northwest Gate" of the campus. The Mathematical Sciences Center is located in Jin Chun Yuan West Building (近春园西楼), which is within five minutes walk from the "West Gate" of the campus. For details, please consult the campus map.

Jia Suo (甲所) is ten-minute walk to the south of the New Sciences Building, while Jin Chun Yuan Hotel (近春园宾馆) is right in front of Jin Chun Yuan West Building.