TfL is doing some stuff for Neurodiversity Celebration Week and I just learned that they have a 'travel mentoring' service where people will help you route plan and use the maps, as well as accompanying you on practice journeys if you need. This is very cool!

https://tfl.gov.uk/transport-accessibility/learn-to-use-public-transport?cid=email_FINAL_TFL11183_Neurodiversity_week-our+free+travel+mentoring+service