Finland has good and well developed transportation system and infra-structure, although major highways and railways are located in the south of the country and radiating out from the capital, Helsinki. Road transport in Finland is the most popular method of transportation, particularly in rural areas where the railway network does not extend to. There is a large network of bus services with connections to all major cities and the most important rural areas. Finland has 21 airports spread around the country, which are serviced regularly by scheduled flights.