London's walking Tube maps have been extended to help people travelling outside the centre of the capital.
The maps, which highlight the walking time and steps between stations, now include Zone 3 and National Rail stations for the first time.
They were released at Transport for London's first major walking conference to discuss how to make the city better for pedestrians.
South-west London's walking tube map
TfL's managing director for surface transport, Leon Daniels, said: "We recognise the influence that travel choices have on how healthy people can be in London.
"If we do things differently, such as helping to reduce car use by providing nicer places to walk, live and work, we can help deliver amazing health benefits to Londoners.
"Our new walking Tube map is designed to help people who want to get more active and try making more of their journey on foot."
Deputy mayor for transport Val Shawcross, who spoke at the conference, said: "We are committed to improving the health and quality of life for all Londoners, and know that this can happen if we create a cleaner, better environment where people want to walk and cycle.
South-east London's walking tube maps
"By improving our streets to encourage active travel, we can reduce the impact of transport on our environment, leading to cleaner air and a greener, quieter and less traffic dominated city for all to enjoy."
A recent TfL study found that Londoners make 3.6 million daily journeys by car, motorcycle, taxi or public transport that could be at least partially walked.
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