Association offices

  • OCA - Open Traffic Systems City Association 
    c/o Stadt Frankfurt/Main Straßenverkehrsamt 
    Gutleutstr. 191 D-60327 Frankfurt
  • OCA - Office 
    Theaterstr. 24 D-52062 Aachen 
    Tel: +49 241 500717 
    Fax: +49 241 500718

Association Director

  • Dr. Josef Kaltwasser, OCA-Office, Theaterstraße 24, 52062 Aachen

Entry in the register:

  • The "OCA e. V." Has its seat in Frankfurt am Main and is registered under the number VR12378 in the association register of the district court Frankfurt am Main.

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