Travelcard Zone 3 is part of the London transport system, specifically designed for travel within the city. It includes areas that are further from central London but still well-connected by public transport. This zone is ideal for commuters and visitors who want to explore neighborhoods outside the city center. In Travelcard Zone 3, you can use various modes of transport, including London Underground, London Overground, and National Rail services. Popular destinations in this zone include Bromley, Walthamstow, and Clapham. Travelcards for this zone offer unlimited travel within its boundaries, making it convenient for daily journeys.