Transurban Group is engaged in the business of development, operation and maintenance of toll roads. The Company has three geographic segments: Victoria, Australia; New South Wales, Australia and the United States of America (USA). The tolling businesses of Roam and Tollaust have also been included in the New South Wales operating segment. As of June 30, 2012, the Company�s assets included CityLink in Victoria; Hills M2 Motorway, Lane Cove Tunnel, a 75.1% interest in M1 Eastern Distributor, a 50% interest in M5 Motorway and a 50% interest in Westlink M7 in New South Wales; along with a 75% interest in Transurban DRIVe. Transurban DRIVe holds 100% of Pocahontas 895 and 90% of Capital Beltway Express. The Company�s subsidiaries include CityLink Trust, CityLink Melbourne Limited, City Link Extension Pty Limited, Transurban Infrastructure Management Limited, Transurban Limited, Transurban Collateral Security Pty Limited and Transurban Finance Trust.