Rural to urban migration is occurring in many countries. In LEDCs, people move to cities for opportunities, but often live in poor conditions. Squatter settlements lack facilities and diseases are common. Solutions include self-help housing schemes but LEDCs lack resources. In MEDCs, cities implement land use zones like central business districts and suburbs. Traffic is managed through methods such as ring roads and public transit. Urban to rural migration also occurs as people move to rural areas for higher quality of life.