The present article reports the findings obtained from wheelchair field testing at Frankfurt central station and airport, initiated by the working group on "Public Transport Accessibility" of the Federal Rehabilitation Council (BAR) and approved by its managing board. Relevant information concerning accessibility and useability of this major traffic junction for handicapped persons is presented. The test emphases are put forth, namely access of wheelchair users to intercity and suburban traffic as well as to air transport facilities. Planning and implementation of the field test as well as participating persons and organizations are outlined; test sequence and test evaluation are described. Finally, major aspects of test findings and their evaluation are dealt with in more detail.