From Songjiang Campus of Shanghai International Studies University to Tongji siping road Campus: Take Line 9 at Songjiang University Town Station, transfer to Lujiabang Road on Line 8, then transfer to Line 10 at Laoximen Station, and get off at Tongji University Station.

From Hongkou Campus of Shanghai International Studies University to Tongji siping road Campus: Take bus No.937 and get off at Miyun Road Station of Chifeng Road or FAW Bus Station.

Take a taxi from Tongji University to Fudan University: I haven't tried this, but as far as the distance is concerned, it should be around 20 yuan.