Daily mobility in the urban area of Cagliari is 210,898 residents. 66% use private transportation like cars, while 17% use public transportation such as trains, trams, and buses. Currently there are 5 restricted traffic zones in Cagliari for vehicles located in the historical districts, and the 5th zone is the Poetto beach pedestrian area. The suburban transportation is offered by ARST, the regional transportation company run by the regional administration, while the urban services consist of CTM buses and the metro line from Piazza Repubblica to Monserrato.