February 28, 2012

Mapping Public Transport Flows

Detail of Greater London, which features the UK's most dense and complex multimodal networks.
Individual vehicles are more obvious in this animation due to the smaller size of the area as compared to the previous one. It is interesting to visualise the bus network transition from night to day, the steady 'pulse' of the tube network throughout its service and the Stansted-Heathrow-Gatwick connection defined by the coach network. This movie has been generated using OpenGL. Vehicle trajectories in the animation use straight lines between stops. Waiting time in a public transport stop is defined in the dataset and so is also taken into account in the animation. Air travel data in the dataset is only available for Scotland.

This movie maps train, coach, metro (tram and tube), ferry and air trips for England, Scotland and Wales over a typical weekday in 2009. Different modes of transport are assigned different colours, and time is represented by the clock at the top left. The animation clearly highlights the complexity of the networks, the distinct transport geographies of the UK’s cities and regions, and the daily peaks of activity. The movie below shows bus trips for the same region.


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