Amberg Engineering AG (Regensdorf) secured the contract for safety improvements in Fasenstaub tunnel (1,459 m), canton of Schaffhausen, and in Cholfirst tunnel (1,260 m), canton of Zurich, on N04/06. Visit www.amberg.ch and http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=166151-2009 27/09.
