Is this the right line to get to…?
'Linea' is three syllables: LI-ne-a. The final 'a' is clearly pronounced.
Ask this on the platform before boarding to confirm you are on the correct line. Replace the ellipsis with your destination, for example 'Termini' or 'il Colosseo'.
'Giusta' agrees with 'linea' (feminine). The verb 'andare a' means to go to and requires 'a' before city names and most place names. This question structure — 'È la X giusta per…?' — works for buses, trams and trains too.
Prendo la linea A o la B?
Do I take line A or line B?
Use when you know there are two options.
Questo treno va a Termini?
Does this train go to Termini?
Useful once you are already on board.
È la direzione giusta?
Is this the right direction?
Short and quick; works when on the platform checking the board.
Rome's metro has only three lines: A (orange), B (blue), and C (green). The network is small compared to London or Paris because excavations repeatedly uncover ancient ruins, halting construction for years.