Rome Transports, Metro, underground, buses

- Express Lines
marked by an X letter in green colour covering long distances and connecting far away areas.
- Exact Lines
marked by an E letter in bordeaux colour covering short distances leaving at fixed hours
- Electric Lines
deviced for historic centre transportation. This bus is nicknamed "Pollicino" for its small size.
Night Lines
marked by and N letter . Service runs from midnight to 5.30am Stops are easily recognisable because they feature an owl sign.
Lines for the disabled
carriages allow getting on and off with a wheel-chair. In particular bus 590 runs along the Metro A route: from Piazza Cinecittà to Viale Giulio Cesare

In general, about 1/5 of the buses in Rome have facilities for the transportation of wheel-chairs. These buses carry the international sign on their front.