Most first-time visitors assume Rome’s public transport works like London or Paris. It doesn’t. The metro has three lines that mostly avoid the historic center. Buses run on schedules that feel more like suggestions. And the ticket system confuses even Italians. But once you understand the logic, moving around Rome alone becomes simple and cheap. This guide covers exactly what you need: which tickets to buy, which apps actually work, how to avoid the most common solo traveler mistakes, and when to just walk instead. What a Single Ticket Actually Gets You (And What It Doesn’t) A standard ATAC BIT…