Open invitation to tender, deadline 06.10.2011, for safety adaptation of the bitube Ruhrschnellweg tunnel, length 1,005 m, on A40 at Essen. Contact Strassen.NRW ANL, Krefeld, tel. +49 2151819-205, e-mail: ANL-KR-Vewrgabeservice@strassen.nrw.de. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=261685-2011. 35/11.
