There is a mixture of high-density urban areas, suburbs, semi-rural and rural locations in Rochdale, but overwhelmingly the land use in the town is urban. For purposes of the Office for National Statistics, it forms the fifth largest settlement of the Greater Manchester Urban Area, the United Kingdom's third largest conurbation. The M62 motorway passes to the south and southwest of Rochdale. Two heavy rail lines enter Rochdale from the east, joining at Rochdale railway station before continuing southwards to the city of Manchester.