Open invitation to tender, deadline 29.05.2013, for engineering services during optimization of security on the 5.2 km-long Sachseln tunnel on N08. For further information visit http://www.simap.ch/shabforms/servlet/Search?NOTICE_NR=772069. Contact OFROU in Zofingen, e-mail zofingen@astra.admin.ch. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=133534-2013. 17/13.
