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London Area Travel Survey Geocoding

MVA was a sub to Research International on a substantial project to design and develop a computer system to be operated by 30 staff in an address geocoding office. The software automatically geocodes London Area Travel Survey (LATS) questionnaire addresses used to describe each journey. LATS fieldwork was undertaken in London and south-east England on behalf of Transport for London (TfL) from Autumn 2000-Summer 2002 and included large-scale household travel survey diaries and on-mode surveys of passengers travelling by road, bus and rail. Part of the survey data processing involved attaching geocodes to the trip origin, trip destination and home addresses collected in the surveys. The process of deriving geocodes was not straightforward however, because survey addresses could be incomplete, poorly written or lacking postal address characteristics. The software developed by MVA was designed to enable the coding task to be tackled more effectively.