Additional information for open invitation to tender, deadline 08.07.2010, for design and construction of 3.8 km-long line B extension from Rebibbia to Casal Monastero, including three new stations. Contact Ing. Luigi Napoli, Roma Metropolitane, Rome, tel +39 (0)6 454640-100, fax -321. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=098100-2010. 14/10.