Further information on this survey can be obtained from the following sources:

For questions about the survey:

Planersocietät
Dr.-Ing. Frehn, Steinberg & Partner
Stadt- und Verkehrsplaner

Frau Middendorf
Gutenbergstr. 34
44139 Dortmund
Telephone: 02 31 / 58 96 96 0
Email: mobil@planersocietaet.de
Web: www.planersocietaet.de


For questions about the telephone interview:

O-TON 
Call Center Services GmbH Dortmund

Huckarder Str. 12
44147 Dortmund
Telephone: 02 31 / 70013 994
Web: www.o-ton-online.de

 
City of Flensburg:

Stadt Flensburg
Department of Urban Development and Climate Protection

24937 Flensburg
Telephone: 0461 / 85 0
Email: verkehrsplanung@flensburg.de
Web: www.flensburg.de