If you struggle to stand while using public transport, there is a free badge and card available to help you alert fellow customers that you need a seat.
The badge and card can be used on all services: London Underground, London Overground, TfL Rail, Buses, DLR, Trams and River Services.
For more information, and to apply for a badge/card:
https://tfl.gov.uk/transport-accessibility/please-offer-me-a-seat