Many towns and cities offer some type of public transport, among them buses and taxi cabs which suggests making your way around in Mongolia is not a issue.
Facts about just about all types of public transport in Mongolia such as airlines, airports in Mongolia, bus routes, driving maps and trains in Mongolia are posted on this site.
The tables beneath will give you additional information about the transport choices to get around Mongolia: Travel by rail, travel by air, and travel by bus and car.
Airports in Mongolia
Public Transport in Mongolia
Mongolian Public Transport Questions