Sandra Weddell

Transport Modelling Manager in Transport for London Sandra leads the Rail & Underground’s Transport Modelling team which uses a range of simulation and transport assignment models and analytics to support decision making. She ensures the results of analysis are used to provide answers covering R&U’s complex strategic, service development and operational issues. This includes: pedestrian modelling of stations for the capacity programme to improve the flows as part of the design process for all Transport for London's stations including for Crossrail 1 & 2 stations how they integrate with existing stations; modelling train service capacity upgrades to understand the journey time benefits for customers of options to meet future demand and the effect on reliability; assessing the impact of events (for example the Olympics) & closures on crowding across the transport system. She joined London Underground in 2005 to lead the measurement of the performance & payment regimes for capability and reliability for the Public Private Partnership contracts. Before that Sandra worked in performance analysis at the Strategic Rail Authority on the Rail Performance Fund providing analysis to support business cases for projects, developing the first Rail Performance Improvement Plans by setting up cross industry forecasting and reporting on targets. Prior to that Sandra worked for over 10 years in Central Government Operational Research Service: at HM Treasury; Export Credit Government Department; Property Services Agency. Sandra’s areas of expertise are public transport and financial modelling, underground & rail performance and policy analysis plus Operational Research. Sandra has also been involved with various functions of the UK OR Society for many years including: conferences (speaking & organizing), Events committee and Chair of the London regional group LASEORS, along with serving on the ORS Board. Sandra has a degree Mathematics from South Bank University and a Masters in Operational Research from the LSE.