Transport for London (TfL) is undertaking Preliminary Market Engagement (PME) relating to the future delivery of Journey Planning System. This engagement aims to gather insight on what new features, functions and technology are available from the market in order to improve our service and fulfil our strategic objectives. TfL would also like to better understand and stimulate the market and supplier appetites, develop understanding of supplier and product capacity and capability, market trends and potential risks and opportunities.