Christian and co-presenter Mark Walker discuss the furious reaction to suggestions that booking offices at most of England's main line rail stations will be closed and the arguments put forward by advocates of this policy [01:30]; Christian undertakes a cab ride between London Paddington and Oxford with Great Western Railway Managing Director Mark Hopwood (and some very skilful drivers) in which they discuss a range of issues including the benefits of infrastructure and station investments, incomplete electrification, integration with local buses and the restoration of Nuneham Viaduct [11:47]; finally, Christian examines the agreement at the International Maritime Organisation on measures to reduce carbon emissions from merchant shipping [37:13].