Invitation to tender using negotiated procedure, deadline 26.07.2012, for the supply of 3,600 LED lighting units for tunnels. Supply to RFI DPRIM STF IFS LF 162 0 technical specs. Contract duration 24 months. Contact RFI SpA, attn Rita Lucia Guadagno, Rome, tel +39 0647308920, fax +39 0647308843, e-mail r.guadagno@rfi.it. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=205599-2012. Bid Code n. DGQ1/7181. 30/12.