Cotral bus
From Roma Tiburtina railway station a lot of bus with different destinations:
ROME
ATAC Company connects the station to several areas of the city. More information here ATAC bus lines. ,
LAZIO
Cotral company (blue color) connects Roma to other neighbouring cities (Tivoli for example).
Download here pdf schedule timetables Cotral from/to Roma Tiburtina:
Cotral – Roma Tiburtina (valid since 28 September 2015 to 22 December 2015)
NATIONAL AND INTERNATIONAL BUSES
In front of the station, around 100 meters on other side of the street, there is also another bus station with private bus lines that reach other national and international destinations. Buses with Roma Tiburtina as point of departure/last station:
- Bus Roma-Firenze
- Bus Roma-Siena
- Bus Roma-Napoli
- Bus Roma-Sulmona-Pescara
More info here -> Tibus bus station: national and international routes from Rome Tiburtina.
FIUMICINO AIRPORT
Moreover, at the station there is a Cotral bus that connects ROMA TIBURTINA to FIUMICINO AIRPORT; the price for one ticket is 5 €. Here more information FIUMICINO AIRPORT
Versione italiana 
Linee autobus COTRAL da Tiburtina
- Milano Centrale Railway Station - May 4, 2016
- ATAC bus lines Roma Tiburtina - April 28, 2016
- Subway Rome, line B1 - April 28, 2016