In modern times, globally, many people with dementia are also drivers with all the challenges that this implies. The Dementia and Driving Decision Aid (DDDA) is a booklet designed to support people with dementia in making their own decision about driving cessation (or retirement). It was originally developed and tested in Australia and New Zealand with the co-participation of people living with dementia. Results showed that the use of the DDDA has a positive impact on decisional conflicts about driving cessation. Due to the global relevance of living with dementia and being a driver, a US version of the DDDA was recently developed (Veerhuis, et. al, 2017) and a UK specific DDDA research project is in progress. The Poster aims to illustrate how the research collaboration started and its developments.