Prior information notice for safety upgrade of A44 Duesseldorf airport tunnels with renewal of medium and low voltage distribution systems, renovation of tunnel lighting and ventilation systems, and installation of video, radio and control systems, requiring large-scale cable laying. Further information from Strassen NRW in Krefeld, tel +49 2151819-205, fax -420, e-mail ANL-KR-Vergabeservice@strassen.nrw.de. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=293231-2011. 38/11.
