Research done by Transport for London (TFL) has shown that 70% of public transit riders find films, music, and calls on device speakers to be ANNOYING. If you’re one of those public transit riders who think the people around you don’t mind hearing your speakerphone calls or blaring sports broadcast without headphones, you’ll have a harder time riding public transit in London. Research done by TFL has shown that 70% of public transit riders find films, music, and calls on device speakers to be annoying. TFL’s customer director, Emma Strain, told Britain’s The Guardian that the majority of public transit riders in the city use headphones when listening to music or streaming content. Britain’s national, regional, and city public transport systems are overseen by the Department of Transport.