Open invitation to tender, deadline 03.12.2012, for upgrading of existing road system and renovation of Western Ring tunnel at Ulm. Planned start of construction 04.02.2013 for completion 02.11.2013. Contact Marco Catalli at Stadt Ulm, tel +49 7311616660, fax +49 731161806660, e-mail m.catalli@ulm.de. Visit http://ted.publications.eu.int/udl?request=Seek-Deliver&language=en&docid=343823-2012. 46/12.