Yes, one ticket covers all standard routes within the city, offering you the flexibility to explore various sights and attractions. For example, the london discovery gives you access to the yellow, blue and green routes.  However, it's important to note that thematic tours are an exception and require a separate ticket. These specialized tours offer unique experiences focused on specific themes or aspects of the city, providing an in-depth exploration beyond the standard routes. For example, london by night or the bar bus