Travelcard Zone 2 is part of the London transport system, specifically designed for travel within the city. It covers areas just outside the central zone, including neighborhoods like Clapham, Wandsworth, and Islington. This zone allows passengers to use various forms of public transport, such as buses and trains, making it convenient for commuting and exploring. Travelcards for Zone 2 can be purchased for different durations, including daily, weekly, or monthly options. They provide unlimited travel within the zone and can be used on the London Underground, Overground, and National Rail services, offering flexibility for both residents and visitors.