Metro North West Line

The Metro North West Line is the first and currently the only service in the Sydney Metro network. The service commenced operation on 26 May 2019, running between Tallawong and Chatswood along the Sydney Metro Northwest rail link, which included the Epping to Chatswood rail link.

Service
The metro services are operated by Metro Trains Sydney, a joint venture between MTR Corporation, John Holland and UGL Rail, and are operated by driverless, single deck trains, stopping at 13 stations along the Sydney Metro Northwest. Since July 2019, services take 37 minutes from end to end, at a frequency of every 4 minutes during peak hours and every 10 minutes at all other times. Prior to that, for the first few weeks after opening, the line operated one every 5 minutes during the peak hours until it was increased to every 4 minutes.

North West Night Bus
In the first six months of operations, the metro service is supplemented by a late night bus service known as North West Night Bus, stopping at 13 bus stops within close proximity to these stations. The bus service operates Sunday to Wednesday nights after about 9.30 pm in both directions, charging metro fares and frequency of every 10 minutes. This is because during this period, the last metro services on these nights are 10.05 pm from Chatswood and 9.25 pm from Tallawong. The bus service is temporary and will be withdrawn after six months in late 2019, when the metro reaches full operations. The bus service is jointly operated by Transdev NSW and Hillsbus, both of whom previously jointly operated the Station Link services between September 2018 and May 2019.

Stations
The service serves 13 stations, including 5 that were previously served by Sydney Trains' Northern Line services.