Budapest metropolitan area

The Budapest metropolitan area () is a statistical area that describes the reach of commuter movement to and from Budapest and its surrounding suburbs. Created by Hungary's national statistical office HCSO to describe suburban development around centres of urban growth, the surrounding a more densely built and densely populated urban area. As of 2014 the Budapest metropolitan area, with its 7,626 km² (2,944 sq mi), extends significantly beyond Budapest's administrative region (encompasses 193 settlements around the city), a region also commonly referred to as Central Hungary. It had a population of 3,303,786 inhabitants at the January 2013 census, making it the "tenth largest" urban region in Europe (Larger urban zones in Europe). 33% of Hungary's population resides in the region.
Traffic.
There are 4 subway lines, 36 tram lines, 18 suburban railway lines (operated by MÁV-Hungarian State Railways and BKV-Public Transport Company of Budapest also) and 601 bus lines in the metropolitan area (2006).
Motorways
Arterial motorways that also connects Budapest Metropolitan Area to the city center are M1 motorway (Hungary) from north-west, M2 motorway (Hungary) from north, M3 motorway (Hungary) from north-east with M31 motorway (Hungary) link, M4 motorway (Hungary) from east, M5 motorway (Hungary) from south-east with M51 motorway (Hungary) link, M6 motorway (Hungary) from south, M7 motorway (Hungary) from south-west.
M0 motorway (Hungary) ring-road of Budapest connects all arterial motorways.