Public transport in Rome is by bus and underground.

Anagnina - Battistini
05.30-23.30, Friday and Saturday last departure   01.30

Laurentina - Rebibbia
05.30-23.30, Friday and Saturday last departure  01.30

When the Metro closes, bus N1 follows the route, over ground, of metro A Anagnina
Battistini, and bus N2 the route of metro B Laurentina – Rebibbia.

Roma - Lido di Ostia
05.18-23.30 (from 23.30 night bus N3)

Several types of ticket are available for public transport in Rome and neighbouring areas:

METREBUS Roma
BIT: €1 valid for 75 minutes from the time of stamping, on any form of public transport inside the city.
MULTIBIT:  €5 valid 5 times, including on different days (like 5 separate BIT). Every time the Multibit is stamped it is valid for 75 minutes on any form of public transport inside the city.
BIG: €4 valid for unlimited travel until 24.00 on the day of stamping.
BTI: €11 valid for 3 days of unlimited travel from the start date entered by the traveller.
CIS: €16 valid for 7 days of unlimited travel from the start date entered by the traveller.

METREBUS Lazio
BIRG: the cost depends on the number of zones selected. Valid for unlimited travel in the selected zones until 24.00 on the day of stamping.
BTR: the cost depends on the number of zones selected. Valid for 3 days of unlimited travel from the start date entered by the traveller.
CIRS: the cost depends on the number of zones selected. Valid for unlimited travel in the selected zones until 24.00 on day seven, including the day of stamping.