Raleigh–Durham International Airport is the main airport serving Raleigh, Durham and the surrounding Research Triangle region of North Carolina. It is located 4.5 miles (7 km) northeast of the town of Morrisville in Wake County. The airport covers and has three runways and direct flights to 38 domestic and international cities on 352 daily flights. In 2011 more than 9 million passengers traveled through the airport. The RDU Airport Authority is in charge of the airport facilities and its operations. The Airport Authority is controlled by a board of representatives from the counties of Wake and Durham and the cities of Raleigh and Durham.