Mr Darling promised to look immediately at how Transport for London could have a much greater role over services that operate only within the capital - and take a longer-term view on whether TfL should have the ability to specify services in an area slightly beyond. Mr Darling said: "In the short term, we will work with the Mayor to rationalise fares and ticketing across the different types of public transport in London, giving a better deal for taxpayers. We will also work to identify options for giving the Mayor an increased role for services that lie for the most part within the GLA boundary.