A fleet of 840 buses connects all the city's districts. Barcelona has a fleet of 11,000 taxis which can be easily identified by their yellow and balck livery. A green light on top of the taxi indicates its availability. You can take a taxi from any of city's numerous ranks and if you want to hail one in the street, just put out your hand when you see one approaching. There are a number of telephone taxi services.
Many taxis accept payment by credit card.
The city also has unique forms of transport which provide a number of specific services.