The Turkish bus system is comprehensive and you can get about anywhere from anywhere.
Fares are low.
Izmir offers a variety of public transportation, such as public busses, trams, mini-busses, taxi cabs and dolmus. Dolmus is a large cab, a station wagon, a regular taxi or a minibus hat travels a certain route. Most major public transportation stations have a dolmus station, where you just take a seat in the dolmus that travels your desired route. The driver will wait until the dolmus is full, before the journey begins. Passengers pay according to the distance traveled and can get in and out whenever and wherever they want to by informing the driver.