The M2 Hills Motorway is a 21.4-kilometre (13.3 mi) tollway in Sydney, New South Wales that is part of the Sydney Orbital Network and the National Highway west of Pennant Hills Road. Owned by toll road operator Transurban, it forms majority of Sydney's M2 route, with the Lane Cove Tunnel constituting the rest of the M2 route. The M2 cycleway is located on the breakdown lanes of the M2 Hills Motorway. From Wikipedia
