Florence is a compact city. One can best explore the city by walking. The main historic centre here can be walked around from one end to another in 15 minutes maximum.
Bus routes also operate within the city. The network is separated into 2 lines. One is the city Centre line which has 4 routes C1, C2, C3, D. It moves around the historic centre.
Another route is ATAF and LI-MA bus which caters to the suburban areas.
There are Airport buses as well. The Volain bus takes you to Florence Airport in 20 minutes and Terra-vision takes one to Pisa Airport in 70 minutes. The airport buses are available from SMN station and they also drop you here from the airport.