2014 saw a number of anniversaries which helped us tell this story. It was 60 years since the creation of the iconic Routemaster, 75 years since the launch of the RT-Type bus and 100 years since the world's first mass-produced motor bus - the B-Type 'Battle Bus' - carried soldiers to the frontline during the First World War.
Our buses are the arteries of the capital, moving large numbers of people around the city - across the centre and to the extremities. They have affected great social change and continue to offer a lifeline to a diverse range of Londoners. Buses also support the needs of our growing city and in turn help London to function as the engine room of the UK's economy.
London is naturally proud of its bus network, one of the largest and most accessible in the world. Despite its size, the bus network remains flexible and able to adapt to the challenges of operating in a constantly changing streetscape.
To meet the future needs of the city, while minimising the environmental impact, we are using innovation and new green technology. Our fleet is already one of the cleanest in the UK, but we're constantly striving to see how new technology can further reduce our impact on the environment.
Mayor of London, Boris Johnson, launches the Year of the Bus, unveiling a specially commissioned silver-painted New Routemaster and a limited edition Year of the Bus Oyster card.
See more images in our Year of the Bus photo gallery.
A range of gifts and souvenirs inspired by London's iconic bus fleet are available from the London Transport Museum shop.
The Year of the Bus is supported by and delivered in partnership with Exterion Media, Abellio, Arriva London, Clear Channel, Go-Ahead London, Metroline, RATP Dev UK Limited, Stagecoach, Wrightbus, Optare and telent Technology Services.
Telling the story of the Year of the Bus in pictures, this gallery takes in events, collaborations and activities that have celebrated the role the bus plays in our city.