Negotiated procedure, deadline 30th May, 2005 for conceptual design for motorway A6 between AS Hemer and federal road B 7 (5.7 km), including two tunnels with lengths of 1.2 km and 300 m. Visit http://ted.publications.eu.int/udl?request=Seek-Deliver&language=en&docid=080798-2005, OJ S 83, or contact Landesbetrieb StraíŸenbau Nordrhein-Westfalen, Hagen, fax +49 23318002169. E-mail ahmed.karroum@strassen.nrw.de 19/05.Negotiated call for tenders, deadline 11th February, 2008 for preliminary design of a 6.8 km section of the A 52 between Essen East (A 40) and Essen North (A 42), including three tunnels with lengths of approx. 680 m, 700 m and 870 m and two galleries with lengths of approx. 410 m and 600 m. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=11473-2008, OJ S 10, or contact Landesbetrieb Strassenbau Nordrhein-Westfalen, Essen, fax +49 2017298333. E-mail achim.frieling@strassen.nrw.de 04/08.Negotiated invitation to tender, deadline 28th April, 2008 for preliminary design of the new highway A52 between east and north Essen, including three tunnels with lengths of approx. 680 m, 700 m and 870 m, three galleries with lengths of approx. 245 m, 410 m and 600 m, and other structures. Rhis is a re-tender. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=82951-2008, OJ S 61, or contact Landesbetrieb Strassenbau Nordrhein-Westfalen, Essen, fax +49 2017298333. E-mail pbc-r-vergabeservice@strassen.nrw.de 14/08.