By "TRTS" Taipei Rapid Transit System:
Please travel to Shipai station on the "Danshui" line. Then go to the bus stop across the street from the right station exit. Take one of the following buses: Red 12, Red 19, B645, B902. Get off at "Qixian Mansion", and see footpath on map for walking directions to the ICDF.
Numerous buses from around Taipei stop at "Qixian Mansion". These include the Red 12, Red 19, 645, 646, B606, B612 Shuttle, B285, B902 and see footpath on map for walking directions to the ICDF.
Find Chungsan North Rd. Head north and then turn left onto Lane 405. Turn right at Lane 62 before the Tienmou Bridge and within 500 meters you will see the large reddish-colored "Diplomatic Quarter" building.