Hi,
According to this guide, there is an airport shuttle bus that goes from 113, Nanjing Road in Heping District, to Binhai Airport.
1.Is this the address of CAAC office?
2.Does this same bus go from the Airport to Nanjing Road?
3.Is there a public bus that goes to the Tianjin Railway Station from Nanjing Road? How far is walking distance?
4.Is this bus terminal on Nanjiing Road near a subway station? What is the name of the Station?
5. Is the Tianjin Main Railway Station on the Light Rail or so called Binhai line?

Answers to all or as many as possible to the above will be much appreciated.