Macquarie Infrastructure Group (MIG) had a portfolio of 11 toll roads across seven countries including Australia.

MIG had previously in June 2006 spun off Sydney Roads Group which included its stake in three Sydney toll roads, namely M4 Western Motorway (50.61%), M5 South-West Motorway (50%) and Eastern Distributor (71.35%).

[1][2][3][4] In February 2010 MIG underwent a restructure into two separately listed companies; Intoll and Macquarie Atlas.

[6] At the time, Intoll (ASX: ITO) owned and managed a 25% interest in the Westlink M7 in western Sydney, Australia and a 30% interest in the 108 km-long 407 Express Toll Route in the Greater Toronto Area of Canada.

[7] Intoll was acquired in full by Canada Pension Plan Investment Board (CPPIB) on 14 December 2010.