construction in the late 2030s or early 2040s. Public transport Public transport in Auckland consists of bus, ferry and commuter rail services. The hub of Auckland's public transport network is the Britomart Transport Centre near the Auckland waterfront, opened July 2003, where ferry, bus and train services meet. Bus services Bus services, the bulk of public transport in the city, are provided by privately owned bus companies contracted to Auckland Transport under the AT Metro brand. The Northern Busway (opened in February 2008) provides bus rapid transit to Auckland's North Shore. Frequent long-distance services, principally operated by Intercity and its subsidiary Newmans, link Auckland with all the main centres throughout the North Island. Rail services There are four suburban railway lines in Auckland – the Western, Southern, Eastern and Onehunga Lines. Urban rail services are operated by Transdev Auckland on behalf of Auckland Transport under the AT brand. Since the early 2000s, there has been a substantial increase in services, with trains now operating every 10 minutes on the Western, Southern and Eastern lines at peak times. Starting with the opening of Britomart station in 2003, a series of investments has increased ridership to over 20 million annual boardings. These included double-tracking the Western Line, reopening the Onehunga Branch line, a programme of station upgrades and electrification of the entire Auckland suburban network between Swanson in the west and Papakura in the south. On 20 July 2015 the rollout of electric train services was completed. In 2015–16, work started on the City Rail Link project, which will improve network capacity and significantly reduce travel times between Western Line stations and the city centre. Auckland has only one long-distance passenger service: the Northern Explorer, operated by KiwiRail under the brand name The Great Journeys of New Zealand. A service operates three times per week in each direction between Auckland and Wellington. Ferry services A number of North Shore commuters who work in the Auckland CBD catch ferry services from Devonport, Stanley Bay, Bayswater or Birkenhead. Services also connect the city with Waiheke Island, Gulf Harbour and Half Moon Bay. Ferries to Great Barrier Island are less regular, with services every 1–2 days, depending on the time of the year and the weather. Rangitoto, Motuihe Island and Tiritiri Matangi Island and the Coromandel have services usually focused on weekend and tourist trips. Sea transport Commercial shipping The Ports of Auckland, located on