Open invitation to tender, deadline 28.10.2009, for design and management during refurbishment of safety equipment and for civil works including four new SOS niches and bypasses in Taverne tunnel on the highway N2. Contact USTRA, Settore Supporto, Bellinzona, tel +41 9182068-11, fax -90, e-mail acquistipubblici@astra.admin.ch. Visit http://ted.europa.eu/udl?request=Seek- Deliver&language=en&docid=242659-2009. Project n. 070063. 39/09.Open invitation to tender for design and revision of access doors in the highway N2 tunnels: Gentilino (580 m, 580 m), Maroggia (590 m, 590 m), Biaschina (560 m, 560 m), Monte Ceneri (1,411 m, 1,412 m), Pardorea (581 m, 541 m), Piottino (860 m, 830 m), Piumogna (1,607 m, 1,606 m). Contact USTRA, Settore Supporto, Bellinzona, tel +41 9182068-11, fax -90, e-mail acquistipubblici@astra.admin.ch. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=254297-2009. Project n. N02.00 090038. 39/09.