London Transportation are vehicles around the city of London. London's public transport scored poorly in the IOC's initial evaluation; however, it felt that, if the improvements were delivered in time for the Games, London would cope. Transport for London (TfL) carried out numerous improvements in preparation for 2012, including the expansion of the London Overground's East London Line, upgrades to the Docklands Light Railway and the North London Line, and the introduction of a new "Javelin" high-speed rail service. According to Network Rail, an additional 4,000 train services operated during the Games, and train operators ran longer trains during the day. During the Games, Stratford International station was not served by any international services (just as it had not been before the Game