From Pu dong Intl-Airport, drive to S1, drive along highway and turn left on A30. Turn left on Huaxia viaduct,then drive along Nupu bridge and North-south viaduct to Tian mu xi road, hotel is on the left.
In Shanghai Railway Station, there are two squares, south square&north square. South Square is in front of the sation waiting building. North square is a hub for long distance buses. So if you want to take trains, you only care about South Square.